a protein coat that protects the dna/rna is called a

Answers

Answer 1

The protein coat that protects the DNA/RNA is called a capsid.

Capsids are composed of protein subunits that assemble around the nucleic acid to form a protective shell. The shape and size of the capsid can vary depending on the type of virus. In general, they are either spherical, rod-shaped, or filamentous. The capsid protects the viral nucleic acid from the external environment and also mediates viral interactions with the host cell. Additionally, capsids can help the virus attach to specific cells and enter them for replication. The capsid is composed of proteins and sometimes lipids, which form the outer protective layer of the virus. The proteins in the capsid can also play a role in recognition of the host cell and can help the virus bind to and enter the cell. The capsid helps the virus remain intact and prevents the nucleic acid from being destroyed or modified by the host's immune system. In summary, a capsid is a protein coat that protects the DNA/RNA of a virus, and helps it bind to and enter the host cell.

For more such questions on capsid

https://brainly.com/question/15456095

#SPJ11


Related Questions

identify the three proteins that make up the cell membrane and their functions.

Answers

Answer:

Junctions – Serve to connect and join two cells together.

Enzymes – Fixing membranes localizes metabolic pathways.

Transport – Responsible for facilitated diffusion and active transport.

Explanation:

I remember taking a class like this last year. :)

Which is the function of the exoskeleton in animals?

ITS NOT C!
Produces the sperm used in reproduction.
Protects against different weather.
Protects against their environment.
Works with muscles to allow movement.

Answers

Answer:

B. though I'm not too sure

Answer:

B

Explanation:

Protects against different weather.

Stimulation of the aortic baroreceptors reflexively results in?.increased activity by the parasympathetic nervous system.stimulation of the cardioaccelerator center in the brain.increased heart rate.increased sympathetic stimulation of the heart.stimulation of the vasoconstrictive center.

Answers

Stimulation of the aortic baroreceptors reflexively results in increased activity by the parasympathetic nervous system.

Option A is correct.

What are the aortic baroreceptors?

The aortic baroreceptors and carotid baroreceptors are located in the adventitia layer of the aortic arch and carotid arteries, respectively.

The aortic baroreceptors are stretch receptors located in the aortic arch that are sensitive to changes in blood pressure.

In the situation where  blood pressure increases, the aortic baroreceptors are stimulated, which then sends signals to the cardiovascular control center in the brainstem.

Learn more about aortic baroreceptors at: https://brainly.com/question/8963123

#SPJ1

Construct an argument in favor of the National Park Service’s decision to reintroduce wolves to Isle Royale. Be sure to discuss the boundary of the ecosystem and energy flow in your argument. Provide evidence and scientific reasoning to support your argument.

Answers

The National Park Service's decision to reintroduce wolves to Isle Royale was necessary, supported by science, and will have a positive impact on the environment in many ways.

Why is it crucial to bring wolves back to Isle Royale?

Wolf hunting reduces the amount of moose, beavers, and snowshoe hare on the island. At Isle Royale National Park, these intricate predator-prey relationships have been studied for more than 60 years and are still being investigated today.

What advantages would reintroduction wolves bring?

Research has demonstrated that wolves have contributed to the revitalization and restoration of several ecosystems since they were reintroduced to the American West in 1995. They enhance habitat and boost populations of numerous species, including raptor birds, pronghorn, and even trout.

To know more about ecosystems visit:-

https://brainly.com/question/30376964

#SPJ1

what is the term for the part of a dna strand that produces a protein that causes a stem cell to differentiate?

Answers

The term for the part of a DNA strand that produces a protein that causes a stem cell to differentiate is differentiation-inducing factor or  differentiation signal.

What is differentiation-inducing factor?

This protein is a transcription factor that regulates the expression of genes involved in cell differentiation, leading to development of specialized cell types.

Cell fate means that stem cell makes a decision to differentiate into mature cell type. Signals from environment—chemicals, extracellular proteins/hormones/factors, neighboring cells, physical environment—converge on the cell, activating a signaling cascade that leads to gene expression.

Cell that differentiates into all cell types of adult organism is known as pluripotent and such cells are called meristematic cells in higher plants and embryonic stem cells in animals.

To know more about stem cells, refer

https://brainly.com/question/2304432

#SPJ1

The body obtains energy by breaking down carbohydrates into ______.ProteinsGlucosenutrient-denseAdditives

Answers

The body obtains energy by breaking down carbohydrates into glucose.

Together with lipids and proteins, carbohydrates are one of the three macronutrients that give the body energy. Digestive enzymes convert eaten carbs into simple sugars, of which glucose is the most significant. The body subsequently uses glucose as a source of energy for various cellular functions when it is absorbed into the bloodstream and delivered to cells there.

Cellular respiration is the process that occurs after glucose enters a cell and involves a series of metabolic events that release energy from glucose. The production of new molecules, muscle contractions, nerve impulses, and other cellular processes are all powered by this energy.

To know more about carbohydrates

brainly.com/question/29775112

#SPJ4

An anatomy student was arguing with his grandfather. Granddad, who believed in folk wisdom, insisted that there are only five senses. The student, however, said that there are at least ten senses. Decide who was right, and share your rationale on who was right and why. Share anatomical features and their specific functions to describe how the example sense works.

Answers

The student is correct in asserting that there are at least ten senses.

The ten senses identified by the student are based on the classic classification of the human senses, which have been widely accepted in the medical and scientific communities. A sense, according to the classic definition, is a method that a living organism employs to detect or perceive its environment. The human body has sensory receptors that detect environmental stimuli such as heat, pressure, and light.

An anatomical explanation of these senses:Touch: The skin has tactile receptors that sense pressure, touch, and temperature.

Taste: The tongue has taste buds that detect the five tastes: sweet, sour, salty, bitter, and umami.Smell: The nose has olfactory receptors that detect and distinguish scents.Hearing: The ears have hair cells that detect and transmit sound vibrations to the brain.Sight: The eyes have photoreceptor cells that detect and respond to light.Balance: The inner ear contains hair cells that detect head motion and body position, which is critical for balance and coordination.Temperature: The skin has thermoreceptors that detect changes in temperature.Proprioception: Proprioception is the perception of one's body position and motion, which is conveyed to the brain by muscle and joint receptors.Nociception: Nociceptors are pain receptors that detect injury, tissue damage, and inflammation.Equilibrioception: Equilibrioception is the sense of balance, which is regulated by the vestibular system in the inner ear, including the semicircular canals and the otolith organs.

Learn more about human senses at https://brainly.com/question/6467125

#SPJ11

_____ Drugs that prevent the formation of the bacterial cell wall are: a) quinolones b) beta-lactams c) tetracyclines d) aminoglycosides e) macrolides.

Answers

Drugs called beta-lactams stop the bacterial cell wall from forming.

Which medication stops the bacterial cell wall from forming?

Patients are dying from infections brought on by germs that are now resistant to even last-resort medications like vancomycin, like penicillin and vancomycin, which are antibiotics that prevent the formation of the bacterial cell wall.

Which medications target the bacterial cell wall?

Vancomycin, teicoplanin, telavancin, bleomycin, ramoplanin, and decaplanin are important glycopeptide antibiotics. By preventing the formation of peptidoglycan, this family of medications prevents susceptible microorganisms from producing cell walls. They either eradicate bacteria or stop them from proliferating and spreading. Viral infections cannot be treated with antibiotics.

To know more about bacterial cell visit:-

https://brainly.com/question/2145627

#SPJ1

this diagram shows a late stage of dna replication. can you name the protein represented by each icon in the diagram? then, for each protein, can you identify how dna replication would be affected if that protein were nonfunctional?

Answers

DNA replication is the process of copying DNA molecules. DNA replication is critical because it ensures that each new cell receives a complete set of genetic material.

DNA replication is a complex process involving numerous enzymes and other proteins. The following is a list of proteins involved in DNA replication:

Helicase - This enzyme is responsible for unwinding and separating the two strands of DNA.

It does this by breaking the hydrogen bonds between the nucleotides.

Primase - This enzyme is responsible for synthesizing the RNA primers that are needed to start DNA synthesis.DNA polymerase - This enzyme is responsible for synthesizing new DNA strands. It can only add nucleotides to the 3' end of a growing strand. Therefore, it can only synthesize in the 5' to 3' direction.Ligase - This enzyme is responsible for joining the Okazaki fragments on the lagging strand.Topoisomerase - This enzyme is responsible for relieving the tension that builds up ahead of the replication fork when the two strands of DNA are separated. Without topoisomerase, the strands would become overwound and break.

Learn more about DNA: https://brainly.com/question/16099437

#SPJ11

Under the ___________ , species are identified based on their unique habitat requirements.phylogenetic species concept,biological species concept,evolutionary species concept,ecological species concept,general lineage concept.

Answers

Under the ecological species concept, species are identified based on their unique habitat requirements. Therefore the correct option is option C.

The ecological species concept is a definition of species in which a species is a group of organisms that can breed with one another and are adapted to their environment in a unique way. The emphasis is placed on an organism's distinctive ecological function in its environment, as well as the ecological niche it occupies.

As a result, a species is defined as a group of individuals that exploit a single niche in the same way, and whose members' life histories are linked through a number of adaptations to that niche.

Evolutionary species concept: It is a definition of species based on the idea that species are derived from lineages of ancestral populations that have experienced relatively long, independent evolutionary histories. Therefore the correct option is option C.

For such more question on ecological:

https://brainly.com/question/1331136

#SPJ11

true or false a pulsed intensity is the average intensity for the pulse duration only. it does not include the listening time.

Answers

The statement "A pulsed intensity is the average intensity for the pulse duration only. It does not include the listening time.: is false as pulsed intensity is the average intensity of the ultrasound wave during the pulse period, which is typically short in duration.

According to the American Institute of Ultrasound in Medicine (AIUM), the pulsed intensity is the average intensity of an ultrasound beam during the pulse duration, which is typically short in duration. A pulsed ultrasound wave is one in which the sound energy is sent out in a series of short pulses rather than continuously. When a pulsed wave is emitted, the pulse duration, pulse repetition frequency, and pulse intensity all have an impact on the overall intensity of the wave, which is sometimes referred to as the temporal-average intensity.

The pulse duration is the length of time that the ultrasound energy is being emitted, while the pulse repetition frequency is the number of pulses per second that are emitted by the ultrasound machine. The pulse intensity is the amount of energy per unit time that is contained within each pulse.Thus, A pulsed intensity is the average intensity of the ultrasound wave during the pulse period.

More on pulse: https://brainly.com/question/30696164

#SPJ11

describe the structures involved in the production, transport, and secretion of oxytocin and vasopressin

Answers

The production, transport, and secretion of oxytocin and vasopressin involve several structures, including the hypothalamus, posterior pituitary gland, bloodstream, and target organs.

Oxytocin and vasopressin are two important hormones produced by the hypothalamus in the brain. The hypothalamus sends signals to the posterior pituitary gland to release these hormones into the bloodstream. The production, transport, and secretion of these hormones involve several structures, which are discussed below:

1. Hypothalamus:

The hypothalamus is responsible for producing oxytocin and vasopressin. It contains nerve cells that secrete these hormones, which are transported to the posterior pituitary gland for storage and release.

2. Posterior Pituitary Gland:

The posterior pituitary gland is a small structure located at the base of the brain. It stores oxytocin and vasopressin and releases them into the bloodstream when signaled by the hypothalamus.

3. Bloodstream:

Once released into the bloodstream, oxytocin and vasopressin are transported to their target organs, where they exert their effects.

4. Target Organs:

Oxytocin and vasopressin bind to specific receptors in target organs and stimulate various physiological responses. Oxytocin is involved in the contraction of the uterus during childbirth and the release of milk during breastfeeding. Vasopressin regulates water balance in the body and helps maintain blood pressure.


know more about hypothalamus here

https://brainly.com/question/9113672#

#SPJ11

What are some of the reasons the genetics of race may me more complex ?

Answers

The genetics of race can be more complex than simple Mendelian inheritance due to a variety of factors.

Polygenic inheritance: Race is determined by multiple genes, each with multiple alleles, which may interact with each other in complex ways.

Environmental factors: The expression of genes may be influenced by environmental factors such as diet, climate, and exposure to toxins, which can differ between populations.

Epigenetics: Epigenetic modifications, such as DNA methylation, can affect gene expression without changing the underlying DNA sequence. These modifications can be influenced by environmental factors and can differ between populations.

Genetic drift: Over time, random genetic mutations can accumulate in isolated populations, leading to genetic differences that are not related to adaptive traits.

Admixture: Many populations have been shaped by admixture, or the interbreeding of different populations, which can result in complex patterns of genetic variation.

Population structure: Genetic differences between populations may be influenced by historical factors such as migration, colonization, and population bottlenecks, which can create complex patterns of genetic structure.

All of these factors can make it difficult to define race in purely genetic terms and to draw clear boundaries between different racial groups.

The neurotransmitter released into the synapse between neurons and muscle cells that stimulate skeletal muscle cell isGABAepinerphrinenorepinephrineacetylcholine

Answers

The neurotransmitter that is released into the synapse between neurons and muscle cells that stimulates skeletal muscle cells is acetylcholine. Here option D is the correct answer.

Acetylcholine is a chemical messenger that is released from the axon terminals of motor neurons and diffuses across the neuromuscular junction to bind to acetylcholine receptors on the surface of skeletal muscle cells.

This binding triggers a series of biochemical reactions that lead to the contraction of the muscle fiber. The release of acetylcholine is essential for normal muscle function, and disruptions in the production or release of this neurotransmitter can lead to muscle weakness or paralysis.

For example, botulinum toxin, which is produced by the bacterium Clostridium botulinum, blocks the release of acetylcholine from motor neurons and can cause muscle paralysis.

To learn more about skeletal muscle cells

https://brainly.com/question/13989523

#SPJ4

Complete question:

Which neurotransmitter is released into the synapse between neurons and muscle cells that stimulates skeletal muscle cell?

A) GABA

B) Epinephrine

C) Norepinephrine

D) Acetylcholine

A long, thin, probing beak enables finches to feed on what food source? a.) small fish b.) seeds c.) insects d.) plants

Answers

The long, thin, probing beak allows finches to feed on insects.

True finches belong to the family Fringillidae and are small to medium-sized passerine birds. Finches frequently have colourful plumage in addition to having strong conical bills designed for eating seeds and nuts. They live in a variety of environments and occupy a wide range of them. They are not migratory.

With the exception of Australia and the polar regions, they are found everywhere over the planet. There are more than 200 species in the family Fringillidae, grouped into 50 genera. It contains species referred to as grosbeaks, euphonias, redpolls, serins, siskins, and canaries.

The term "finch" is also frequently used to describe several birds belonging to other families. These families include certain members of the Old World bunting family (Emberizidae), the New World sparrow family (Passerellidae), and the Darwin's finches of the Galapagos Islands, which are currently classified as members of the tanager family (Thraupidae).

To know more about finches click here:

https://brainly.com/question/23410514

#SPJ4

examine the illustrations below of six specific cells: a neuron, red blood cell, osteocyte, skeletal muscle cell, sperm cell, and egg cell. what observations can you make on how these human cell types are different?

Answers

The six cells illustrated are a neuron, red blood cell, osteocyte, skeletal muscle cell, sperm cell, and egg cell, all are different  which are human cell types.

From the illustrations, we can observe the following differences
Neuron, red blood cell, osteocyte, skeletal muscle cell, sperm cell, and egg cell. The neuron is the longest cell of the human body and has dendrites and axons that help it to carry electrical signals. The red blood cell lacks a nucleus and is filled with hemoglobin, which helps it to carry oxygen to different parts of the body.

The osteocyte is a bone cell that helps in the formation of bone matrix and can communicate with other bone cells. Skeletal muscle cells are elongated, cylindrical cells that are found in the skeletal muscles and help in the contraction and relaxation of these muscles. The sperm cell is a male reproductive cell that has a flagellum for movement and helps in fertilization. The egg cell is a female reproductive cell that is much larger than the sperm cell and has a protective covering around it to prevent fertilization by multiple sperm cells.

To know more about Neuron please visit :

https://brainly.com/question/11538106

#SPJ11

where does the excess glucose go once the liver & muscle glycogen stores are full?

Answers

When the liver and muscle glycogen stores are full, excess glucose is converted to fat and stored in adipose tissue or transported to other organs to be used for energy.

Excess glucose from dietary carbohydrates is stored in the liver and muscle as glycogen. Once these glycogen stores are full, excess glucose is converted to fat and stored in adipose tissue. This process is called lipogenesis. The fat that is produced is either stored or released into the bloodstream as triglycerides, which are transported to other organs, such as the heart, muscles, and other tissues. From here, the triglycerides can be oxidized and used for energy, or they can be stored in the form of fatty acids.

To learn more about Glycogen :

https://brainly.com/question/4303062

#SPJ11

what part Located in depressions of mucous membranes of the throat and pharynx

Answers

The part located in depressions of mucous membranes of the throat and pharynx is the tonsils.

Tonsils are masses of lymphatic tissue located in the throat that play a role in the immune system. They help to trap and filter out bacteria and other foreign substances that enter the body through the nose and mouth. There are three types of tonsils: pharyngeal tonsils, palatine tonsils, and lingual tonsils.

The pharyngeal tonsils, also known as the adenoids, are located in the upper part of the throat, behind the nose, and above the soft palate. The palatine tonsils are located on either side of the back of the throat, while the lingual tonsils are located at the base of the tongue.

Tonsillitis is a common condition in which the tonsils become inflamed and swollen due to infection. Symptoms of tonsillitis include sore throat, difficulty swallowing, fever, and swollen lymph nodes. Treatment may involve rest, fluids, pain relievers, and antibiotics if the infection is bacterial. In some cases, a tonsillectomy (surgical removal of the tonsils) may be necessary if the condition is chronic or severe.

In summary, the tonsils are located in the depression of mucous membranes.

To know more about Tonsils, refer here:

https://brainly.com/question/29525724#

#SPJ11

describe how two medical conditions might be helped by biofeedback therapy.

Answers

Biofeedback therapy is a type of treatment that involves using electronic monitoring equipment to provide patients with real-time feedback about their physiological responses.

By gaining awareness and control over their bodily functions, patients can learn to manage symptoms associated with certain medical conditions. Here are two examples of how biofeedback therapy can help with specific medical conditions:

Migraine headaches: Biofeedback therapy can help reduce the frequency and severity of migraine headaches. During biofeedback sessions, patients are taught to recognize the physiological signs that often precede a migraine attack, such as muscle tension and increased heart rate. By learning to recognize and control these responses, patients can reduce the intensity and frequency of migraines.

Urinary incontinence: Biofeedback therapy can help people who have difficulty controlling their bladder muscles. During biofeedback sessions, patients are taught to recognize and strengthen the pelvic floor muscles that are responsible for bladder control. By gaining control over these muscles, patients can improve bladder function and reduce urinary incontinence.

In both cases, biofeedback therapy can help patients gain greater awareness and control over their physiological responses, leading to improved symptom management and overall quality of life.

To know more about Biofeedback therapy, visit the link given below:

https://brainly.com/question/14076467

#SPJ4

ANSWER THE QUESTIONS BELOW PLEASE!!

Answers

Newborns should be between 5 pounds, 8 ounces (2,500 grams) and 8 pounds, 13 ounces (4,000 grams) in weight.

What is the newborn phase?

A newborn must adapt to the fundamental changes that have happened in his or her life during the newborn period, which begins at delivery and lasts until the child is between 4 and 12 weeks old. During this period, most infants will slumber a lot and not be very active.

Two months old is an incredible milestone for you both. Your infant and you are both gradually waking up from the recent newborn daze. They are no longer an infant wrapped up in a blanket. They are starting to open their eyes, extend their legs, and grin the cutest little infant smiles.

Learn more about  newborn

https://brainly.com/question/30454727

#SPJ1

what happens when a baby swallows poop in the womb

Answers

Answer:it would die

Explanation:it would die from infection

what structure holds the chordae tendineae to the interior walls of the heart is called?

Answers

Papillary muscles holds the chordae tendineae to the interior walls of the heart.

The papillary muscles are found in the heart's ventricles. They connect to the mitral and tricuspid valve cusps via the chordae tendineae and contract to stop these valves from prolapsing or inverting during systole (or ventricular contraction). Around 10% of the total heart mass is made up of the papillary muscles.

In total, the heart contains five papillary muscles, two in each ventricle (right and left). Through chordae tendineae, the tricuspid valve is connected to the anterior, posterior, and septal papillary muscles of the right ventricle. The mitral valve is connected to the left ventricle's anterolateral and posteromedial papillary muscles by chordae tendineae.

To know more about Papillary muscles click here:

https://brainly.com/question/14697886

#SPJ4

after a major event at 120 generations, an allele was lost from the population. in terms of diversity, this left the population with:

Answers

After a major event at 120 generations, an allele was lost from the population. In terms of diversity, this left the population with less genetic diversity.

What is an allele?

An allele is a variant form of a gene that appears as a result of mutation. An allele is one of the possible alternative forms of a gene that can be present at a given locus (position) on a chromosome. A gene locus refers to a specific location on a chromosome where a particular gene is found.

What is genetic diversity?

Genetic diversity refers to the variety of genes and alleles that exist within a population. When a population has high genetic diversity, it implies that it has a wide range of genetic variability, making it easier for the population to adapt to environmental changes. It can also protect the population from disease or predation, increase its chances of survival and persistence, and give it greater resilience against genetic drift, inbreeding, and other factors that can reduce genetic diversity.

Therefore, losing an allele from a population results in a decrease in genetic diversity, which is a disadvantage for the population.

Learn more about Genetic diversity here: https://brainly.com/question/28829285

#SPJ11

Under fasting conditions (ratio of insulin to glucagon <1), elevated glucagon will activate which of the following enzymes?
a. glycogen synthase
b. lipoprotein lipase
c. hormone sensitive lipase
d. pyruvate dehydrogenase complex

Answers

Under fasting conditions (ratio of insulin to glucagon <1), elevated glucagon will activate hormone sensitive lipase enzymes. The correct option is c.

How does the glucagon hormone work in the body?

The hormone glucagon is produced by the pancreas, which aids in regulating glucose levels in the blood. Glucagon is the hormone that raises blood sugar levels in the body. Glucagon stimulates the liver to convert glycogen into glucose, which is then released into the bloodstream. Glucagon causes the liver to break down glycogen into glucose, which is then released into the bloodstream. The liver produces glucose through a process known as gluconeogenesis, which helps to raise blood sugar levels.Insulin is a hormone produced by the pancreas that aids in the absorption of glucose into the body's cells. When insulin levels are low, the hormone glucagon is released to counteract the effects of insulin by raising blood sugar levels in the body.

Hormone-sensitive lipase is an enzyme that aids in the breakdown of stored fat into free fatty acids and glycerol when activated by elevated glucagon levels in the bloodstream. This aids in providing energy for the body when glucose levels are low. When the ratio of insulin to glucagon is less than 1, the hormone-sensitive lipase enzyme is activated, and glycogen synthesis is inhibited. This results in the release of fatty acids from adipose tissue into the bloodstream. This process aids in providing the body with energy during fasting or exercise periods.

Here you can learn more about hormone sensitive lipase

https://brainly.com/question/16496348#

#SPJ11  

You need to determine whether an unknown plant is an angiosperm or a gymnosperm. Which of the following features would be the best to examine? Roots Leaves Seeds Stems 3-In a fern life cycle, which of the following structures is not present in the sporophyte generation? Indusium Prothallus Crozier Annulus 6-A researcher who studies the internal cell structure of ancient plants would gather the most information from which type of fossil? Petrifaction Compression Mold Cast 7- A seed is more likely than a spore to survive a long drought because it has which structure? A seed coat A cuticle A hypodermis A strobilus 9-When you eat a peach, what are you eating? Gametophytic tissue composed of haploid cells Sporophytic tissue composed of diploid cells Gametophytic tissue composed of diploid cells Sporophytic tissue composed of haploid cells

Answers

The correct options are (1) seeds, (2) prothallus, (3) petrifaction fossil, (4) seed coat, and (5) sporophytic tissue composed of diploid cells.

The best feature to examine to determine an unknown plant as an angiosperm or a gymnosperm is seeds.

In the life cycle of a fern, the prothallus structure is absent in the sporophyte generation.

A researcher who studies the internal cell structure of ancient plants would gather most information from the petrifaction fossil.

A seed is more likely than a spore to survive a long drought because it has a seed coat.

The seed coat is a protective layer that prevents the desiccation of the embryo and protects it from harmful factors.

When we eat a peach, it is the sporophytic tissue composed of diploid cells that we are eating.

The flesh of a peach is the mature ovary of the flower and it develops from the diploid tissue of the sporophyte generation.

Learn more about fern: https://brainly.com/question/2919630

#SPJ11

The layer between the tunica media and the tunica externa in a large artery is the
A) tunica intima.
B) external elastic membrane.
C) tunica media.
D) internal elastic membrane.
E) tunica externa.

Answers

In a large artery, the external elastic membrane is the layer that lies between the tunica media and tunica externa.

What is a large vein's tunica externa?

The outermost tunica (layer) of a blood vessel, also known as the tunica adventitia (New Latin "additional coat"), is known as the tunica externa (New Latin "outer coat"). It surrounds the tunica media. It is mostly made of collagen and is supported in arteries by elastic lamina on the outside.

What are the tunica externa's layers?

It is made out of the tunica intima (I), a straightened layer of endothelium; the tunica media (M), a layer of smooth muscle cells and elastic fibers (black in B); and the fibrous connective tissue known as the tunica adventitia (Ad).

To know more about tunica externa visit :-

https://brainly.com/question/15395381

#SPJ1

30 POINTS
Create a timeline illustrating developments in the understanding of botany, plant reproduction, and hybridization. Your timeline must include at least 8 different points.

Answers

Answer:

Timeline of Developments in the Understanding of Botany, Plant Reproduction, and Hybridization:

1. 600 BCE - Theophrastus writes "Enquiry into Plants," one of the earliest works on botany and plant classification.

2. 1682 - Nehemiah Grew publishes "Anatomy of Plants," which lays the foundation for the study of plant anatomy.

3. 1727 - Johann Friedrich Böttger discovers the principles of plant hybridization, by successfully crossing two different species of tobacco plants.

4. 1760 - Joseph Koelreuter demonstrates that hybridization can occur between plants of different genera.

5. 1827 - Robert Brown discovers the cell nucleus, which leads to further understanding of plant reproduction.

6. 1856 - Gregor Mendel publishes his work on inheritance and genetics in pea plants, laying the foundation for the study of plant breeding.

7. 1898 - Carl Correns, Hugo de Vries, and Erich von Tschermak independently rediscover Mendel's work, leading to the modern study of genetics.

8. 1900s - Scientists continue to develop hybridization techniques, leading to the creation of many hybrid plant varieties, including hybrid corn, wheat, and rice.

9. 1953 - James Watson and Francis Crick discover the structure of DNA, leading to a deeper understanding of the genetic mechanisms underlying plant reproduction and hybridization.

10. 2000s - Modern techniques such as gene editing and genetic modification continue to advance the study of botany and plant breeding, with potential applications in agriculture, medicine, and conservation.

the structure of the dna determines which amino acids are put together to form a specific protein which is used to carry out out the essential functions of life.

Answers

The statement in question "the structure of the DNA determines which amino acids are put together to form a specific protein which is used to carry out the essential functions of life" is true. So the answer to that statement is true.

DNA (Deoxyribonucleic acid) is the biological molecule that carries genetic information. In living organisms, DNA is the genetic material that is passed down from one generation to the next. DNA has a unique structure that allows it to store and transmit genetic information in a specific order. DNA contains the genetic code that determines the sequence of amino acids in a protein. Each amino acid is coded for by a specific sequence of three nucleotides in DNA called a codon, the sequence of codons in DNA determines the sequence of amino acids in a protein.

Learn more about DNA: https://brainly.com/question/21992450

#SPJ11

explain why it is unlikely for all of the offspring in spinach plant to have flat leaves even though both parents do

Answers

Answer:

The trait for leaf shape in spinach plants is likely determined by multiple genes, each with different alleles that contribute to the overall phenotype.

Additionally, environmental factors such as light, temperature, and nutrient availability can also influence the expression of these genes.

Explanation:

When two spinach plants with flat leaves are crossed, their offspring will inherit a combination of alleles from each parent that determines their phenotype. However, because each parent has two copies of each gene, there are many possible combinations of alleles that the offspring can inherit. This means that even if both parents have only alleles that produce flat leaves, there is a chance that their offspring may inherit different combinations of alleles that result in a different leaf shape.

Furthermore, environmental factors can also play a role in determining the phenotype of the offspring. For example, if the offspring are grown under different conditions than their parents, such as in different light or nutrient conditions, this could lead to differences in the expression of the genes that control leaf shape.

Therefore, while it is possible for some of the offspring of two spinach plants with flat leaves to also have flat leaves, it is unlikely that all of them will have this trait due to the complex interaction of multiple genes and environmental factors.

The main finding of the Human Microbiome Project was that
everyone has essentially the same types of microorganisms residing in their bodies.
healthy adults should be free from viruses and bacteria.
bacterial cells far outnumber human cells in healthy adults.
bacteria cannot reproduce unless inside a host cell.

Answers

The main finding of the Human Microbiome Project was that bacterial cells far outnumber human cells in healthy adults.

What is the Human Microbiome Project?

The Human Microbiome Project is a five-year project launched by the National Institutes of Health (NIH) to improve our understanding of the microorganisms that live in and on us and to develop new ways of protecting and restoring human health based on this understanding. Its goal was to identify the types of microbes that live in or on our bodies, figure out what they do, and investigate how they interact with each other, with us, and with our environment.

What did the Human Microbiome Project find?

The human microbiome is a complex community of bacteria, viruses, fungi, and other microorganisms that live on and in the human body. Researchers have discovered that bacterial cells outnumber human cells by a factor of ten to one in the average adult. The microbiome plays a critical role in maintaining our health by helping us digest food, produce essential vitamins, and regulate our immune system. It also appears to play a role in a wide range of diseases, including obesity, cancer, and autoimmune disorders.

The Human Microbiome Project's main finding was that everyone has essentially the same types of microorganisms residing in their bodies, regardless of age, gender, or ethnicity. However, the abundance and diversity of these microorganisms can vary significantly from person to person depending on a variety of factors, such as diet, lifestyle, and genetics.

Learn more about Human Microbiome Project here: https://brainly.com/question/25592524

#SPJ11

Other Questions
Write a thematic statement that relates to Elie Wiesels cultureFind 1 quote from Chapters 1-2 that also connects to this thematic statement. Cite the page number. Explain why you chose this quote and how it relates to Elie Wiesels culture in 2 or more sentences. Find 1 quote from Chapters 5-9 that also connects to this thematic statement. Cite the page numberExplain why you chose this quote and how it relates to Elie Wiesels culture in 2 or more sentences.Explain your understanding of how this General Theme (Topic) ha2 developed from the beginning of the book until the end Which type of consumer is missing from this food chain?Food chain connected by right arrows from Raspberry bush to Rabbit to OwlQuestion 4 options:decomposerherbivoreconsumerproducer What body type is characterized by a solid, muscular, and large-boned physique? Which of the following may the president do to control the implementation of a policy agenda?A The president can veto particular items or language in a bill he disagrees with while enacting the remainder of the billB The president can veto a congressional bill that has passed the House and the SenateC The president can refuse to spend money that Congress appropriatedD The president can impeach selected members of CongressWhich of the following may the president do to control the implementation of a policy agenda?A The president can veto particular items or language in a bill he disagrees with while enacting the remainder of the billB The president can veto a congressional bill that has passed the House and the SenateC The president can refuse to spend money that Congress appropriatedD The president can impeach selected members of Congress the cardinals kick a 0.43 kg football for a 3-point field goal. if the ball is kicked at 24 m/s at an angle of 53-degrees, how far will it go before landing back on level ground? 19. which sample, when dissolved in 1.0 liter of water, produces a solution with the lowest boiling point? Photosynthesis is the process through which plants produce sugar and oxygen. Photosynthesis can also take place in single-celled organisms like phytoplankton and other microorganisms. The process of photosynthesis occurs differently from one organism to the next, but several features remain the same. In short, photosynthesis takes in water and carbon dioxide, uses sunlight as a catalyst, and produces oxygen and sugar. The plants release the oxygen through respiration. They digest or store the sugar. Although the process seems simple, it is the most important event on the planet as far as animal life is concerned. Oxygen is a byproduct of photosynthesis. Animals would not be able to breathe if it was not for this process. Herbivores live off these fruits and vegetables and form the basis of any food chain. Carnivores and omnivores would not be able to find food if it were not for these sugars. Were it not for the simple process of photosynthesis, the Earth would be an uninhabited planet.1Select the correct answer.Read the following sentence from the passage.Animals would not be able to breathe if it was not for this process.How does this sentence help to develop the idea that photosynthesis is essential to animal life? A. It suggests that photosynthesis takes place in the lungs. B. It suggests that photosynthesis occurs in all animals. C. It shows that animals depend on this process for food. D. It shows that animals depend on this process for oxygen.Reset NextStructure of an Informational Text: Mastery Collected $1,200 rent for the period December 1 of the current year to April 1 of next year, which was credited to Unearned Rent Revenue on December 1. b. Purchased a machine for $32,000 cash on January 1. The company estimates annual depreciation at $3,200. c. Paid $5,000 for a two-year insurance premium on July 1 of the current year; debited Prepaid Insurance for that amount. Transaction Assets BALANCE SHEET Liabilities Stockholders' Equity -300 +300 NE -3200 NE -1250 INCOME STATEMENT Revenues Expenses Net Income +300 NE +300 NE +3200 -3200 NE +1250 -1250 a. NE b. -3200 -1250 C. are there any idea from this case study & the next one that you could use to help protect the environment that you live in?- Do they need help to be saved? -what are respons at school? Pablo needs to memorize words on a vocabulary list for Latin class he has 12 words to memorize and he is 3/4 done how many words has Pablo memorized so far when diana was three years old, she became terrified when the neighbor's german shepherd kept barking at her. today, she is afraid of all dogs. diana's fear illustrates the classical conditioning process of a. preparedness. b. stimulus generalization. c. stimulus discrimination. d. unblocking. Complete the recursive formula of the arithmetic s -17,-8, 1, 10, .... a(1) = -17 a(n) = a(n 1)+ Arrange the following in order from smallest to largest: fascicle, myofilament, muscle cell, myofibril, sarcomereMyofilament, myofibril, muscle fiber, fascicle, muscle The table shows the number of hours spent studying for a history final exam and the score on that exam. Each row represents a single student. Which value is an outlier in the table below?Exam ScoresNumber of hours spent studying, xExam score(out of 100), y1.5652683.5714.5984.5826846.588785780(1.5, 65)(3.5, 71)(4.5, 98)(6.5, 88) Weaving assessments into daily routines supports which of the four key strategies for observing children? Identify the statements that correctly describe the ways in which Latin American rebellions for independence from Spain in the 1810s and 1820s were similar to the North American movement for independence from Great Britain in the 1770s and 1780s.-Both the North American colonies and the Latin American colonies rebelled against their "mother countries" after periods of relative autonomy.-Latin American colonists resisted the high taxes from Spain the way American colonists had rejected taxation from Great Britain.-Both movements began as claims for greater local autonomy but evolved into full demands for independence. Graph the function.f(x) = 3/5x -5Use the Line tool and select two points to graph. Which of the following would INITIATE a Sea Beeze? A.Pressure Differences B.Temperature Differences C.Differences in Friction D.Air Mass Differences How does acid rain affect plants and animals? please help need this soon