B) The macrophage does not synthesize a small amount of hemoglobin and transport it to the bone marrow.
The macrophage plays a critical role in the recycling of erythrocytes, including phagocytizing hemoglobin from the bloodstream, phagocytizing deteriorating and fragmented erythrocytes, extracting iron from the heme portion of hemoglobin, and dismantling the globin portion of hemoglobin into individual amino acids.
The iron is then transported back into the bloodstream bound to transferrin and transported to the bone marrow to be used in the synthesis of new erythrocytes.
Therefore, option B is incorrect as macrophages do not synthesize hemoglobin.
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Critically discuss why a school leavers might decide to pursue work directly after school instead of applying for higher education
You perform a cotransformation mapping experiment using two strains of E. coli. • The first strain has the genotype a-b-c-. • The second strain has the genotype a+b+ C+. The results of the experiment are shown in this data table. a+ b-C- a-b+c a-b-C+ a+b+c a-b+ C+ a+b-C+ Genotype % Transformants 3.4 2.8 2.3 0.095 not tested 2.1 Drag the genes to their correct locations on the gene map below. Reset Help a b Based on the gene map, which number is closest to the frequency of a-b+c+ transformants that you would expect from this experiment? 6.44% 2.8% 2.55% 2.3% 0.064% 0.025%
Based on the gene map, the number that is closest to the frequency of a+b+ c+ transformants expected from the experiment is option C: 2.55%.
The table displays the outcomes of a cotransformation mapping test using two E. coli strains. The genotype of the first strain is a-b-c-. The genotype of the second strain is a+b+ c+. The genes a and b are located closest to one another, followed by b and c, according to the gene map below. The frequency of a-b+c+ transformants should therefore be closest to 2.55% in this case.
Genotype % Transformants
a+ b- c- 3.4
a- b+ c- 2.8
a- b- c+ 2.3
a+ b+ c- 0.095
a- b+ c+ not tested
a+ b- c+ 2.1
The method of cotransformation mapping is used to locate genes on bacterial chromosomes. It entails using a bacteriophage or plasmid vector to transfer two or more genes from one bacterial cell to another. The frequency of cotransformation is inversely correlated with the separation of the genes on chromosome.
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Complete question is:
You perform a cotransformation mapping experiment using two strains of E. coli. • The first strain has the genotype a-b-c-. • The second strain has the genotype a+b+ C+. The results of the experiment are shown in this data table. a+ b-C- a-b+c a-b-C+ a+b+c a-b+ C+ a+b-C+ Genotype % Transformants 3.4 2.8 2.3 0.095 not tested 2.1 Drag the genes to their correct locations on the gene map below. Based on the gene map, which number is closest to the frequency of a-b+c+ transformants that you would expect from this experiment?
6.44%
2.8%
2.55%
2.3%
0.064%
0.025%
In which cell is the water potential the least negative ,using a diagram of the xylem vessel from a vascular bundle in a root and four adjacent parenchyma cells
The water potential is the least negative in the xylem cell, which is located at the center of the vascular bundle. This is because the xylem cell is responsible for transporting water and minerals from the roots to the rest of the plant.
What is the xylem?The xylem is a type of plant tissue that is responsible for transporting water and dissolved minerals from the roots to the rest of the plant. It is composed of specialized cells called tracheids and vessel elements, which are connected end-to-end to form long tubes or vessels.
The xylem vessels are reinforced with lignin, which provides structural support and prevents collapse of the tubes under the pressure of water transport. The movement of water through the xylem is driven by transpiration, which is the loss of water from the leaves through tiny openings called stomata. As water evaporates from the leaves, it creates a negative pressure, or tension, that pulls water up from the roots and through the xylem.
The water potential is the least negative in the xylem cell, which is located at the center of the vascular bundle. This is because the xylem cell is responsible for transporting water and minerals from the roots to the rest of the plant, and therefore it must maintain a high water potential to facilitate this process. The adjacent parenchyma cells have lower water potential compared to the xylem cell, as they are involved in storage of nutrients and water, and do not play a major role in water transport.
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Zenobia can manufacture 4 ships or 20 computers in a week. Meanwhile, in the neighboring country of Azarmidok, 10 ships or 12 computers are produced per week. Which country has the largest opportunity cost to produce a ship and what is the opportunity cost to that country? The opportunity cost for both countries is 1.2 Azarmidok; 5 computers O Azarmidok; 1.2 computer O Zenobia; 5 computers
Opportunity cost is defined as the cost of giving up the next best alternative. The opportunity cost of producing something is the cost of the alternatives that must be given up in order to produce it.
Opportunity cost is defined as the cost of giving up the next best alternative. The opportunity cost of producing something is the cost of the alternatives that must be given up in order to produce it. It is also known as the real cost of something.
The following countries' production of ships and computers is given below: Zenobia can produce either 4 ships or 20 computers in a week. Azarmidok can produce either 10 ships or 12 computers in a week. The opportunity cost for both countries is:1.2 Azarmidok; 5 computers for Zenobia 1.2 computer; 5 computers for Azarmidok
Now, let's answer the question: We have to compare the opportunity cost of producing a ship by both countries. The opportunity cost of producing a ship by Zenobia is 5 computers. And, the opportunity cost of producing a ship by Azarmidok is 1.2 computer.
Hence, Azarmidok has a smaller opportunity cost to produce a ship than Zenobia. So, the answer is "Azarmidok has the smallest opportunity cost to produce a ship, and the opportunity cost to Azarmidok is 1.2 computer."
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Please help me solve the first question step by step
A. The concentration of algal cells at 0.08 absorbance would be 2 10E6 if we extrapolate the given graph.
How to check the absorbanceOur standard culture is this. A 0.5 10E6 concentration is what we need. Our stock will be diluted as a result.
we have 0.5 x 10⁶
the original stock is given as 2 x 10⁶
The df = 15 + 5 / 5
= 4
Final volume / initial volume
2 x 10⁶ / 4
= 0.5 x 10⁶
b. The number of microbial cells in a culture of microbes affects how much of it is absorbed.
The absorbance was lower at the beginning of the culture because there were fewer algal cells present. At the end of the culture, when enough algal cells had grown, the concentration of algal cells had also increased, making the absorbance value higher.
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what do microbiologists do? why are their contributions so important to science?
Answer: they try to understand how organisms live, grow and interact with their environments
true/false. for contraction of smooth muscle which of the following is true troponin is required tropomyosin is required k activates myosin light chain kinase
activates myosin light chain kinase is required for contraction of smooth muscle.
What is myosin light chain kinase?Myosin light chain kinase (MLCK) is an enzyme that plays a key role in smooth muscle contraction. It phosphorylates the regulatory light chain (RLC) of myosin, which enables the myosin heads to bind to actin filaments, leading to the sliding of actin and myosin filaments and the contraction of the smooth muscle cell.
MLCK activity is tightly regulated in smooth muscle cells, with multiple signaling pathways, such as G protein-coupled receptors, Rho kinase, and protein kinase C, known to modulate its activity.
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construct a food chain fur seal, feeds on algae in plankton, killer whale feeds on fur seal, fur seal feeds on shrimps
A food chain constructed from a fur seal, feeds on algae in plankton, killer whale feeds on fur seal, fur seal feeds on shrimps
Algae → Shrimps → Fur Seal → Killer Whale
What is the food chain?The base of the food chain is algae, which is a primary producer that converts energy from the sun into food through photosynthesis.
Shrimps feed on the algae and are primary consumers in this food chain.
The fur seal is a secondary consumer that feeds on shrimps.
Finally, the killer whale is a tertiary consumer that preys on the fur seal, making it the top predator in this food chain.
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ng
Domain
Bacteria
Archaea
Eukarya
Eukarya
Eukarya
Eukarya
Biology B
Kingdom
Bacteria
Archaea
Protista
Fungi
Animalia
Plantae
Credit 1
Species
HS-L4L Biology B (2020)
Organisms are classified into different levels of taxonomic hierarchy, from broad to specific, including domain, phylum, class, order, family, genus, and species.
What is bacterial classification, starting from domain up to species?Here is an explanation of bacterial classification starting from domain up to species:
Domain: The three domains of life are Bacteria, Archaea, and Eukarya. Bacteria are prokaryotic organisms with no membrane-bound organelles.Phylum: Bacteria are further classified into several phyla, based on their cell shape, structure, and physiology. Some of the most well-known phyla of bacteria include Actinobacteria and Cyanobacteria.Class: Each bacterial phylum is further divided into classes based on more specific characteristics.Order: Each bacterial class is further divided into orders, which group bacteria with similar characteristics.Family: Each bacterial order is further divided into families, which group bacteria with even more specific characteristics.Genus: Each bacterial family is further divided into genera, which group bacteria with very similar characteristics, such as morphology, physiology, and metabolism.Species: Finally, each bacterial genus is further divided into species, which group bacteria that are very similar but not identical. A bacterial species is defined as a group of organisms that share a common ancestor and can interbreed to produce viable offspring.To find out more about taxonomy, visit:
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Rotenone (An Insecticide) Blocks The Protein That Accepts Electrons From NADH. Rotenone Blocks ATP Synthesis By:
Rotenone (an insecticide) blocks the protein that accepts ele
Rotenone inhibits the electron transport chain (ETC) in the mitochondria, which is how it prevents ATP generation.
Rotenone specifically binds to the protein complex known as complex I (NADH dehydrogenase), which is responsible for transferring electrons from NADH to ubiquinone, a mobile electron carrier in the ETC. Rotenone blocks the flow of electrons through the ETC by interacting with complex I and preventing the transfer of electrons from NADH to ubiquinone. As a result, the proton motive force (PMF), which is typically produced by the passage of electrons through the ETC across the mitochondrial inner membrane, decreases.
The PMF is required for ATP synthase, a protein complex that harnesses the PMF's energy to drive the phosphorylation of ADP to ATP, to produce ATP. Rotenone's suppression of the ETC consequently causes a reduction in ATP synthesis.
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complete question -
"Rotenone is an insecticide that is known to block the protein that accepts electrons from NADH. What is the mechanism by which rotenone blocks ATP synthesis?"
4x
Select the correct terms to complete the statement.
stem cells have the ability to become any type of cell and are considered
stem cells, however, are only found in certain organs like the bone marrow and
differentiate.
and are limited in their ability to
6
Answer:
OBFW Publishers
Joy Milne of Perth, UK, smelled a "subtle musky odor" on her husband Les that she had never smelled before. At first, Joy
thought maybe the smell was from Les's sweat after long hours of work. But when Les was diagnosed with Parkinson's 6 years
later, Joy suspected the odor might be a result of the disease. Scientists were intrigued by Joy's claim and designed an
experiment to test her ability to "smell Parkinson's." Joy was presented with 12 shirts, each worn by a different person, some of
whom had Parkinson's and some of whom did not. The shirts were given to Joy in random order, and she had to decide whether
each shirt was worn by a Parkinson's patient or not. Joy identified 11 of the 12 shirts correctly. If we assume that Joy was just
guessing, she would have probability 1/2 of correctly identifying each shirt.
(a) Find the probability that Joy would identify at least 11 shirts correctly by random guessing.
Round your answer to 4 decimal places.
Leave your answer in decimal form.
about us
careers
which of the following statements is not accurate regarding the placement of biosafety cabinets inside a laboratory?
This is untrue since biosafety cabinets should be installed in low-traffic areas to reduce airflow disruption and lower the danger of contamination.
The use of a biological safety cabinet should not involve which of the following procedures?A blockage of the air intake grills at the front and back of the work surface could impede airflow. Storage containers are not BSCs! Keep anything out of the hood that might obstruct airflow.
Which of the following characteristics does every biosafety cabinet share?The high efficiency particulate air (HEPA) filter is a component that all BSCs have in common. Most germs and viruses are captured by HEPA filters, which can remove particles as small as 0.3 microns with a 99.97% efficiency.
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according to these data which of the wavelenghts of light energy provides the least enerfy potential for photosynthesis
Choose the correct response to this statement: Presynaptic neurons synapse on the of the postsynaptic neuron. View Available Hint(s) Axon Dendrites Cell body or dendrites Cell body Axon, cell body and dendrites
The correct response to the statement "Presynaptic neurons synapse on the ___ of the postsynaptic neuron" is "Dendrites."
What are dendrites?Dendrites are the branch-like extensions of a neuron that receive incoming signals from other neurons or sensory receptors. They are one of the main types of neuronal processes, along with the axon and the cell body.
Dendrites are specialized to receive synaptic inputs from other neurons, which they integrate to produce a graded electrochemical response called a postsynaptic potential (PSP). These PSPs can be either excitatory, depolarizing the membrane potential and promoting the firing of action potentials, or inhibitory, hyperpolarizing the membrane potential and reducing the likelihood of firing.
Presynaptic neurons release neurotransmitters that bind to receptors on the dendrites or cell body of the postsynaptic neuron. This binding triggers a series of events that can either excite or inhibit the postsynaptic neuron, depending on the type of neurotransmitter and the specific receptor subtype involved.
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) the process called by which molecules move across a barrier,
Answer:
Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. For cell transport, diffusion is the movement of small molecules across the cell membrane.
pls mark me brainliest
What does receiver bee stand over???
Answer:
The flower.
Explanation:
It eats the nectar and the pollen sticks onto its fur, so that it can pollinate other flowers.
t/f a condition that occurs when warm air traps cooler air at the surface of the earth is greenhouse gases.
False. A condition that occurs when warm air traps cooler air at the surface of the earth is greenhouse gases called an inversion.
When a layer of warm air forms above a layer of cooler air, pollutants and other particles near to the earth are effectively trapped. This can result in the buildup of smog, particulate matter, and other harmful substances, all of which can damage human health and the environment.
These gases, which include carbon dioxide, methane, and water vapor, trap heat in the atmosphere and add to global warming. The greenhouse effect is a natural process that is required for life to exist on Earth.
However, human actions such as the use of fossil fuels and deforestation have increased greenhouse gas emissions, causing global temperatures to rise and resulting in climate change.
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Complete question
A condition that occurs when warm air traps cooler air at the surface of the earth is greenhouse gases is Inversion. True or False
TRUE/FALSE. X-rays and gamma rays are examples of ionizing radiation and cause the formation of thymine dimers.
FALSE. X-rays and gamma rays are examples of ionizing radiation, but they do not cause the formation of thymine dimers.
What are thymine dimers?Thymine dimers are a type of DNA damage that occurs when two adjacent thymine bases in DNA become covalently linked to each other, forming a dimer. This can occur when DNA is exposed to ultraviolet (UV) radiation from the sun or other sources. The formation of thymine dimers distorts the normal structure of DNA, causing errors during DNA replication and transcription, which can lead to mutations, cell death, or cancer. Thymine dimers are one of the most common types of DNA damage caused by UV radiation, and they play a significant role in the development of skin cancer.
UV radiation has a shorter wavelength than X-rays and gamma rays and is non-ionizing, meaning it does not directly ionize molecules. Instead, UV radiation causes chemical reactions in molecules, including the formation of thymine dimers in DNA.
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Hello , I need help and answer for 19
To test the hypothesis that hammerhead sharks have their unusual head shapes to provide improved vision to hunt and kill prey, a scientist could design an experiment by following various steps.
How can said hypothesis be tested?Gather a sample of hammerhead sharks of different sizes and ages.Set up an observation tank with clear water and natural lighting to mimic the sharks' natural environment.Observe the sharks' hunting behaviours and ability to detect prey in the tank.Measure the sharks' head shapes using digital calipers to obtain accurate dimensions.Use computer modelling to simulate the sharks' vision and ability to detect prey based on their head shape measurements.Compare the simulation results with the observed hunting behaviours to determine if there is a correlation between head shape and hunting ability.To know more about testing hypotheses, visit:
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Which of the following are the final by-products of glucose oxidation during aerobic cellular respiration? Multiple Choice O ATP only heat only carbon dioxide and water only both ATP and heat only carbon dioxide and water only both ATP and heat only ATP, heat, carbon dioxide, and wate
Aerobic respiration breaks down glucose and combines the broken down products with oxygen, making water and carbon dioxide.
The correct option is C.
The carbon dioxide is a waste product of aerobic respiration because cells do not need it. Aerobic respiration breaks down glucose and combines the broken down products with oxygen, making water and carbon dioxide. The carbon dioxide is a waste product of aerobic respiration because cells do not need it.
Cellular respiration known as anaerobic respiration occurs when there is no oxygen present. Ethanol is the byproduct of anaerobic respiration in stores. At the same time, lactic acid is the byproduct of anaerobic respiration in brutes. During aerobic cellular respiration, glucose and oxygen combine to create ATP, which the cell may utilise. Water and carbon dioxide are produced as derivatives.
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Assignment sports leadership news paper article
Scenario You are working in a small, but developing, coaching company. You have contacted a local newspaper to discuss how to develop interest in volunteering in sports leadership. The editor has asked you to write an article that explores the requirements of becoming a successful sports leader, using examples of successful sports leaders to demonstrate attributes and responsibilities required.
Task 1
Carry out research into successful sports leaders using textbooks, the internet and journals. You may also consider sports leaders who have led sporting events that you have taken part in and/or sports leaders who coach professional or national sports teams.
Prepare a two-page article for the newspaper about the attributes and responsibilities of sports leaders. (2A.P1, 2A.P2, 2A.M1, 2A.M2)
Within the feature you should compare and contrast the attributes of two successful sports leaders. (2A.D1)
Checklist of evidence required
Article for a newspaper or web article.
Criteria covered by this task:
Unit/Criteria reference
To achieve the criteria you must show that you are able to:
6/2A.P1
Describe, using relevant examples, the attributes required for, and responsibilities of, sports leadership.
6/2A.P2
Describe the attributes of two selected successful sports leaders.
6/2A.M1
Explain the attributes required for, and responsibilities of, sports leadership.
6/2A.M2
Evaluate the attributes of two successful sports leaders.
6/2A.D1
Compare and contrast the attributes of two successful sports leaders.
which one of the following cysts occurs when a dominant follicle does not succeed in ovulating but remains active although immature?
Follicular cysts occurs when a dominant follicle does not succeed in ovulating but remains active although immature Therefore, the correct answer is C) Follicular cysts.
A follicular cyst is a type of ovarian cyst that develops when a follicle (a fluid-filled sac) on the ovary does not release an egg during ovulation and instead continues to grow. Normally, a follicle will release an egg during ovulation, and the remaining cells will transform into the corpus luteum, which produces progesterone. However, in the case of a follicular cyst, the sac fills with fluid and can continue to grow to a size of 2-3cm in diameter. These cysts are usually asymptomatic and often resolve on their own within a few weeks to a few months. In some cases, they can cause pain or discomfort, and may require medical intervention.
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Full Question ;
Which one of the following ovarian cysts occurs when a dominant follicle does not succeed in ovulating but remains active although immature, and can grow up to 2-3cm in diameter?
A) Dermoid cysts
B) Endometriomas
C) Follicular cysts
D) Corpus luteum cysts.
fill in the blank. ___ an example of a place in the tree where a speciation event occurred is represented by the shaded area numbered
Gene g is an example of a place in the tree where a speciation event occurred is represented by the shaded area numbered.
Phylogenetic methods are affected in a number of significant ways by the idea of incomplete lineage sorting. Inadequate lineage sorting may result from the persistence of polymorphisms throughout various speciation episodes.
Consider two successive speciation occurrences where an ancestor species produces species A first and species B and C second. While examining a single gene, it is possible to find various variations (alleles) that result in the appearance of various features (polymorphisms).
We can observe that where the gene G contains two variations (alleles), G0 and G1. Gene G initially only existed in one form, G0, in the ancestor of A, B, and C. The ancestral population became polymorphic at some point due to a mutation, with some individuals having G0 and others G1.
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true/false. in terms of the barriers in place that keep species separate, song recognition is a prezygotic barrier or a post-zygotic barrier.
In terms of barriers that distinguish species, song recognition is either prezygotic or postzygotic. The statement is False.
Postzygotic Barrier:
The postzygotic barrier occurs after the formation of the zygote; this includes organisms that do not survive the embryonic stage and organisms that are born sterile. Some types of prezygotic barriers completely prevent reproduction. Many organisms reproduce only at certain times of the year, usually once a year.
(1) Hybrid sterility: A mule is the product of a cross between a horse and donkeys.
(2) Low hybrid vigor: Some species of frogs can form hybrid tadpoles.
(3) Death of zygote: Mating and fertilization can occur in goats and sheep.
Prezygotic Barrier:
The prezygotic barrier prevents members of different species from mating to produce zygotes, single-celled embryos. Here are some example scenarios: Two species may prefer different habitats and are therefore less likely to meet. This is called habitat isolation.
There appear to be five main types of reproductive disorders: spatial segregation, temporal segregation, mechanical segregation, gamete segregation, and behavioral segregation.
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Suppose that a potential blood donor has type B+ blood. Classify the following recipient's blood types as compatible or incompatible. Able to receive type B+ blood Unable to receive type B+ blood type O- type B+ type B- type A+ type AB+
A recipient with type B+ blood can receive blood from donors with type B+ and type O+. Therefore, the following blood types are compatible:
Type B+ (same blood type)Type O- (universal donor, compatible with all blood types)The following blood types are incompatible:
Type B- (lacks Rh factor)Type A+ (contains the A antigen, which can cause a transfusion reaction)Type AB+ (contains both A and B antigens, which can cause a transfusion reaction)What are the blood types?
Blood types are classifications of blood that depend on the presence or absence of certain proteins on the surface of red blood cells. The most well-known blood type classification system is the ABO system, which categorizes blood into four types: A, B, AB, and O. The presence or absence of the A and B antigens on the surface of red blood cells determines the blood type.
Another important blood type classification system is the Rh system, which is named after the Rhesus monkey. People who have the Rh protein on the surface of their red blood cells are Rh-positive (Rh+), while people who do not have the protein are Rh-negative (Rh-).
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name three activities that causes insulin levels to peak
Answer:
1. Consuming sugary or high-carbohydrate foods: Eating foods that are high in sugar or carbohydrates can cause insulin levels to spike as the body works to process the glucose in the bloodstream.
2. Stress: When the body experiences stress, it releases hormones like cortisol and adrenaline which can cause a temporary increase in blood sugar levels, leading to an insulin spike to regulate the levels.
3. Lack of physical activity: Being sedentary or not engaging in regular physical activity can lead to insulin resistance, where the body becomes less responsive to insulin and requires higher levels to maintain normal blood sugar levels. This can result in insulin spikes after meals or throughout the day.
Answer:
1: Physical Inactivity Can Elevate Blood Sugar in a Matter of Days
2: Skipping Breakfast Can Lead to Higher Blood Sugar All Day
3: Foods High in Saturated Fat Have the Potential to Worsen Insulin Resistance
Explanation:
Insulin's actions at the cellular level encompass carbohydrate, lipid and amino acid metabolism and mRNA transcription and translation.
which of the following is the correct sequence when tracing the path of air from the nose to the lungs?
The correct order to follow when tracing the air's path from the nose to the lungs is the Nasal cavity, Pharynx, Larynx, Trachea, Bronchi, and Bronchioles. The correct answer is (D).
Air travels down your pharynx (the back of your throat), through your larynx (the voice box), and into your trachea (the windpipe) when you inhale through your nose or mouth. The bronchial tubes divide your trachea into two sections. The left lung is served by one bronchial tube, while the right lung is served by the other.
Your mouth and nose are where air enters your body. The trachea and larynx then carry air down the throat. Main-stem bronchi are the tubes through which air enters the lungs.
Air enters your lungs when you inhale, and oxygen from that air moves into your blood. Simultaneously, carbon dioxide, a waste gas, moves from your blood to the lungs and is breathed out (inhaled). This cycle called the gas trade, is crucial for life.
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Q-which of the following is the correct sequence when tracing the air path from the nose to the lungs?
A. nasal cavity, larynx, pharynx, bronchi, bronchioles, trachea
B. nasal cavity, bronchi, bronchioles, trachea pharynx, larynx
C. nasal cavity, pharynx, larynx, trachea, bronchioles, bronchi
D. nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles
theorists who attribute some of the causes of deviant behavior to biology are employing ___ theories.
Those that use biological theories to explain some of the biological factors that contribute to abnormal behaviour do so.
What are biological explanations for abnormal behaviour?According to a biological hypothesis of deviance, a person's deviation from social standards is mostly a result of their biological make-up. Although it can be extended to informal deviance, the theory focuses primarily on formal deviance and uses biological explanations for criminality.
Which biological theories are there?With a focus on the conceptual unification provided by evolutionary and developmental approaches, the journal Biological Theory is devoted to theoretical developments in the disciplines of evolution and cognition.
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identify the cell organelle that performs this cellular function: synthesis of lipids and carbohydrates
ER is the cell organelle that performs this cellular function: synthesis of lipids and carbohydrates
The ER is also where most protein synthesis and transport, protein folding, steroid and lipid production, glucose metabolism, and calcium storage occurs.
It is a cytoplasmic sac that is membrane-bound in eukaryotic cells. Producing proteins, carbohydrates, and lipids requires the endoplasmic reticulum, or ER. The endoplasmic reticulum produces membrane carbohydrates, but these are modified and developed into complex carbohydrate molecules in the Golgi complex by the addition of several additional monomers.
The ER, which aids in regulating cell development and differentiation, is frequently present in cells that are not dividing. By supporting ion homeostasis, the ER also contributes to the control of calcium levels in cells. Also involved is the endoplasmic reticulum.
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which one of the following animals is most likely to be a keystone species, based on the food web provided? lcc
