During phototropism auxin molecules are relocated within cells of the shoot. When auxin enters a cell in the shoot elongation zone it activates the proton pump. This acidifies the cell.
What is Phototropism?Phototropism is the directional movement of plants in response to the direction of light sources. Phototropism is a response to the direction of a light source that results in plant growth towards or away from it. The cells on one side of the plant receive more light and, as a result, release more auxin. This leads to faster cell expansion, causing the plant to lean towards the light source.
During phototropism, the voltage change causes hydrogen ions to exit the cell through channels. It also activates the cotransporter through which the driving force acting on auxin drives the import of auxin. All this solute movement reduces cell osmotic potential. This causes water to enter the cell, which increases pressure potential in the cell. The decrease in pH in the wall space activates expansins, which cuts quick links between microfibrils.
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You have learned that both biotic and abiotic factors affect ecosystems. Give some examples of each, and explain how biotic and abiotic factors could have affected the tortoises that darwin observed on the galápagos islands
Biotic factors are living components of an ecosystem, and examples include plants, animals, fungi, and bacteria. Abiotic factors are non-living components of an ecosystem, and examples include water, temperature, sunlight, and soil composition.
In the case of the tortoises that Darwin observed on the Galápagos Islands, both biotic and abiotic factors could have affected their survival and evolution. The availability of food, water, and shelter on the island would be an example of abiotic factors. Tortoises evolved different shell shapes and sizes to adapt to their environment's abiotic factors, such as droughts or heavy rains.
The biotic factors, such as the availability of vegetation, would have influenced their survival and reproduction. The presence of predators, competitors, and other tortoise species would have also affected their evolution. For instance, some tortoise populations may have developed longer necks and legs to reach higher foliage, while others may have evolved faster movement abilities to escape predators or competitors.
Overall, both biotic and abiotic factors played a significant role in shaping the evolution and survival of the tortoises on the Galápagos Islands. The interplay between these factors is vital in understanding how ecosystems function and how organisms adapt to their environment.
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which mutation is least likely to affect the corresponding protein? group of answer choices nonsense mutation missense mutation frameshift mutation mutation that deleted the entire gene
A nonsense mutation is least likely to affect the corresponding protein.
What is a mutation?A mutation is a sudden, unexpected transformation in genetic information that occurs naturally over time or is triggered by environmental factors. As a result, mutations can have a variety of impacts on proteins. A mutation in DNA may have no effect, a moderate effect, or a severe effect on the protein it encodes. Mutations may be classified as silent mutations, missense mutations, nonsense mutations, frameshift mutations, and other types of mutations.
They may arise spontaneously as a result of replication errors or as a result of exposure to various DNA-damaging agents.Mutations that are least likely to impact the corresponding protein: The following are the types of mutations that are least likely to impact the corresponding protein:
nonsense mutationMissense mutationSilent mutationTherefore, the correct answer is a nonsense mutation. A nonsense mutation is a type of mutation that transforms an amino acid coding codon into a stop codon. As a result, a short, incomplete protein is produced. Because of the generation of a premature stop codon, this protein lacks vital functional domains. Nonsense mutations are much less likely to have an effect on the corresponding protein than other types of mutations.
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which of these conditions are always true of populations evolving due to natural selection? condition 1: the population cannot vary in traits that are heritable. condition 2: some heritable traits must increase reproductive success. condition 3: individuals pass on most traits that they acquire during their lifetime.
Condition 2: Some heritable traits must increase reproductive success is always true of populations evolving due to natural selection. Heritable traits are those traits that are passed on from parents to offspring, and they can vary within a population. Those traits that increase reproductive success are more likely to be passed on to future generations and will become more prominent in the population over time.
Which of these conditions are always true of populations evolving due to natural selection?
Of the given conditions, the only one that is always true of populations evolving due to natural selection is "condition 2: some heritable traits must increase reproductive success."Natural selection is a natural process that allows individuals that have beneficial traits to survive and reproduce, passing those traits down to their offspring. This process allows populations to evolve over time to better adapt to their environment and increase their chances of survival.There are certain conditions that must be met for natural selection to occur, but not all of them are always true. For example, it is not true that "the population cannot vary in traits that are heritable," as variation is actually necessary for natural selection to occur. In addition, it is not always true that "individuals pass on most traits that they acquire during their lifetime," as only traits that are heritable can be passed down from one generation to the next.
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Do the following statements describe actin, myosin, both of the proteins or neither of the proteins?
contains a binding site for calcium
found in the I band
exists in a globular (G) form and a filamentous (F) form
Contains a binding site for ATP
is a component of the thin filament
is a component of the thick filament
Answers:
A. actin
B. myosin
C. neither actin nor myosin
D. both actin and myosin
Contains a binding site for calciumfound in the I bandexists in a globular (G) form and a filamentous (F) formContains a binding site for ATP is a component of the thin filamentis a component of the thick filament. The answer is: D. both actin and myosin
The statement contains a binding site for calcium, both actin and myosin contain a binding site for calcium. Found in the I band, Only actin is found in the I-band of the sarcomere. Exists in a globular (G) form and a filamentous (F) form, both actin and myosin exist in a globular (G) form and a filamentous (F) form.
Contains a binding site for ATP, both actin and myosin contain a binding site for ATP. A component of the thin filament, then actin is a component of the thin filament. A component of the thick filament, tand myosin is a component of the thick filament.
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a triglyceride is composed of three fatty acids attached to a backbone.
A triglyceride (TG, triacylglycerol, TAG, or triacylglycerol) is a molecule made up of glycerol and three different fatty acids (from tri- and glyceride). Triglycerides are the primary components of human and other mammal bodily fat, as well as vegetable fat. Glycerol is combined with three fatty acid units to create triglycerides.
A triglyceride (TG, triacylglycerol, TAG, or triacylglycerol) is a molecule made up of glycerol and three different fatty acids (from tri- and glyceride). Triglycerides are the primary components of human and animal bodily fat, as well as veggie fat. ... Glycerol is combined with three fatty acid units to create triglycerides. Triglycerides cannot easily travel through cell membranes. Lipoprotein lipases, which are enzymes found on the walls of blood arteries, must break down lipids into free fatty acids and glycerol. Fatty acids can then be taken up by cells via the fatty acid transporter
Triglycerides are not polymers, and fatty acids and glycerol are not monomers because fatty acids and glycerol do not form repetitive chains like other monomers
what is the common molecule involved in the catabolism of proteins, fats, and carbohydrates?
The common molecule involved in the catabolism of proteins, fats, and carbohydrates is adenosine triphosphate (ATP).
ATP is a molecule that provides energy for cellular processes, and it is created during the breakdown of these macromolecules. Proteins are broken down into their constituent amino acids, which can be further broken down into intermediates that enter into cellular respiration pathways. Fats are broken down into fatty acids and glycerol, which can also be used in cellular respiration. Carbohydrates are broken down into glucose, which enters into glycolysis, a cellular respiration pathway. ATP is produced during the electron transport chain of cellular respiration, providing energy for various cellular processes.
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MULTIPLE CHOICE QUESTION
Which of the following are components of most
viruses? Select all that apply.
A. Lipid envelope
B. Cell wall
C. Attachment proteins or
envelope proteins (sometimes
also called virus spikes)
D. protein capsid which contains.
the genetic material.
E. DNA or RNA as genetic
material
Following are the components of most viruses : A. Lipid envelope; C. Attachment proteins or envelope proteins (sometimes also called virus spikes); D. Protein capsid which contains the genetic material; E. DNA or RNA as genetic material
What are the components of viruses?Components A, C, D, and E are found in most viruses. However, component B, the cell wall, is not found in viruses as they are acellular and do not have cell walls.
Viruses are composed of a nucleic acid, RNA or DNA but never both. - All viruses have protein coat or shell that surrounds and protects the nucleic acid core. Some viruses have lipid envelope or membrane surrounding nucleocapsid core and the source of the envelope is from membranes of the host cell.
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how long does it take a venus flytrap to digest a fly
your friend wants to study protein trafficking to different organelles by microinjecting gfp-tagged proteins into the cytoplasm of unlabeled eukaryotic cells. to do these studies, your friend makes and purifies four different labeled proteins that normally localize to the mitochondrial matrix (prm), the nucleus (prn), the cytosol (prc), and one that is released (secreted) outside the cell. once all 4 proteins are purified and in hand, your friend carefully microinjects them individually into the cytosol of eukaryotic cells. assume that the gfp-tag does not interfere with any targeting signals. a. when each of the purified protein is individually injected into the cytosol of a eukaryotic cells (4 different experiments), which of the proteins will be able to localize correctly and which will not? briefly justify.
The four proteins is individually injected into the cytosol of eukaryotic cells, the protein that will be able to localize correctly is prc (cytosol protein), and the proteins that will not localize correctly are prm, prn, and the secreted protein,
What is protein trafficking?Protein trafficking is the process by which proteins are transported to their correct locations within cells or organisms. It is a crucial aspect of the functioning of cells and organisms as it ensures that proteins are in the right places at the right time to carry out their functions.
GFP (Green Fluorescent Protein) is a protein that is commonly used in molecular biology research as a marker to visualize proteins and other molecules. It is a naturally occurring protein that emits green light when exposed to UV light, making it a useful tool for visualizing the location of proteins and other molecules within cells.
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an antiport transports sodium into the cells of the pct while pumping hydrogen ions out. what hormone activates this transport?
The hormone that activates this transport would be the Angiotensin II at the proximal convoluted tubules.
What is proximal convoluted tubule (PCT)?The proximal convoluted tubule (PCT) is one of the three major parts of the nephron which is the functional unit of the kidney.
The proximal convoluted tubule (PCT) is responsible for the reabsorption and secretion of various solutes and water.
It carries out this function by the antiport which is activated by the hormone Angiotensin II that helps to transports sodium into the cells of the PCT while pumping hydrogen ions out.
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The first stop in assessing the evolutionary path of the three equine species is to transcribe their mitochondrial DNA to RNA. A mitochondrial gene from a horse is found on the top strand: What RNA sequence is produced from this strand of DNA? (Enter your answer beginning at the 5' end with no spaces.)
The RNA sequence produced from the top strand of the mitochondrial DNA of a horse is: 5'-AAUCUGCUUGGCCUAAAU-3'.
This sequence is derived from the process of transcription, which is a part of gene expression. In transcription, the DNA sequence is used as a template to create a complementary RNA molecule. The RNA molecule created from the mitochondrial DNA of the horse contains the same genetic information, but it is written in a different language.
In the process of transcription, DNA is unzipped, and an enzyme called RNA polymerase binds to the template strand of the DNA and starts reading it in the 3' to 5' direction. For each DNA nucleotide, an RNA nucleotide is matched to it and the two nucleotides are held together by a hydrogen bond.
This process continues until the enzyme reaches the end of the template strand. The result of this transcription is a single strand of RNA. The sequence of the RNA molecule is the complement of the sequence of the original DNA template strand. In the case of the mitochondrial DNA of a horse, the complementary RNA sequence is 5'-AAUCUGCUUGGCCUAAAU-3'.
Transcription is a fundamental process for gene expression. Through this process, the information contained in the DNA molecule is made available for the production of proteins and for other cellular functions.
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ASAP
1. Which organism has a distinct central nervous system?
1. starfish
2. jellyfish
3. crayfish
4. clam
2. In the stem of a plant that is bending toward the light, auxins are most concentrated in:
1. the top surface of the leaves
2. the bottom surface of the leaves
3. the side of the stem facing the light
4. the side of the stem away from the light
1. There is a unique central nerve system in crayfish.
2. Auxins are primarily concentrated on the side of the stem that faces away from the light in a plant stem that is bending toward the light.
The stem bends towards the light as a result of the cells on that side of the stem elongating more than the cells on the other side.
Central nervous systemThere is a unique central nerve system in crayfish. The brain and spinal cord, which make up the central nervous system (CNS), are in charge of directing and coordinating the actions and reactions of the body. The CNS of crayfish is made up of a fused pair of ganglia, which are nerve cell clusters that serve as command centers for various body parts. The way the crayfish CNS is structured enables it to regulate complicated actions like swimming and feeding.AuxinsAuxins are primarily concentrated on the side of the stem that faces away from the light in a plant stem that is bending toward the light. Plant hormones are known as auxins control development and growth. Auxins build up on the side of the stem that is not exposed to light in reaction to light. The stem bends towards the light as a result of the cells on that side elongating more than the cells on the opposite side. A crucial adaptation that enables plants to maximize their exposure to light for photosynthesis is the phenomenon known as phototropism.learn more about the central nervous system here
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two genes, u and h, affect wing development in a species of flying pigs, where some pigs have wings and some do not. pigs with wings are always homozygous at gene u (u1u1). among pigs with wings, allele h4 codes for grey feathers and is dominant over allele h5, which codes for white feathers. which of the following best describes this scenario? group of answer choices A. duplicate recessive epistasis B. recessive epistasis of u over h C. duplicate dominant epistasis D. recessive epistasis of h over u E. dominant epistasis of h over u F. dominant epistasis of u over h
The scenario that was described of the effect of gene u on gene h is an example of recessive epistasis of u over h.
The correct option is C.
What is recessive epistasis?This type of epistasis, where one gene masks the expression of another gene, is known as recessive epistasis of u over h.
The fact that pigs with wings are always homozygous at gene u (u1u1) suggests that the presence of this allele is necessary for wing development. In addition, the presence of the homozygous recessive genotype (u2u2) likely results in no wing development.
The fact that allele h4 codes for grey feathers and is dominant over allele h5, which codes for white feathers, suggests that the expression of h determines feather color in pigs with wings. Therefore, the expression of h is dependent on the presence of the u1 allele.
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In an enveloped virus, the ___ found in the viral envelope are derived from the host cell whereas the ___ found in the viral envelope are generally virally encoded.
In an enveloped virus, the glycoproteins found in the viral envelope are derived from the host cell whereas the matrix proteins found in the viral envelope are generally virally encoded.
What is an enveloped virus?
An enveloped virus is a virus that is covered by a lipid envelope that contains glycoproteins. The lipid envelope is a combination of host and viral components that is formed by budding through cellular membranes. The lipid envelope is thought to be derived from host cell membranes in the majority of enveloped viruses, and it is necessary for viral particle transmission, infection, and replication.
The virus's genome is surrounded by a capsid or core structure, which is then surrounded by a protein shell known as the matrix. Finally, the lipid envelope, which is created from the host cell's plasma membrane as the virus buds from it, surrounds it. The enveloped viruses contain matrix proteins and glycoproteins. Matrix proteins and glycoproteins in enveloped viruses are different. Matrix proteins are usually encoded by the virus, while glycoproteins are typically derived from the host cell.
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a thick rigid barrier found outside of the cell membrane in plant cells
Cell-Wall is a thick rigid barrier found outside of the cell membrane in plant cells. A cell wall is a thick, stiff layer that surrounds the cell and is located outside the cell membrane.
In addition to cellulose and protein, the cell wall also contains additional polysaccharides. The cell wall offers structural defense and support. Certain cell types have a stiff, partially permeable protective coating called a cell wall. In the majority of plant cells, as well as those of fungi, bacteria, algae, and certain archaea, this outer layer is situated close to the cell membrane (plasma membrane).
Nevertheless, animal cells lack a cell wall. A plant cell's cell wall is its outermost layer. It protects the cell while stiffening it. Cell walls are absent from animal cells. Every cell has a membrane around it as a form of defense.
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Correct Question:
_____ is a thick rigid barrier found outside of the cell membrane in plant cells.
Once it enters the cytoplasm of a host cell and sheds its capsid, replication of HIV begins when _____ _____ is used to synthesize a double strand of DNA from the viral RNA.
Once it enters the cytoplasm of a host cell and sheds its capsid, replication of HIV begins when reverse transcriptase is used to synthesize a double strand of DNA from the viral RNA.
Once it enters the cytoplasm of a host cell and sheds its capsid, replication of HIV begins when reverse transcriptase is used to synthesize a double strand of DNA from the viral RNA.
What is HIV?HIV stands for Human Immunodeficiency Virus, a virus that attacks and weakens the immune system of humans. HIV replicates in the host cell cytoplasm after shedding its capsid, and it is called replication. When the reverse transcriptase enzyme is used to create a double-stranded DNA from the viral RNA, replication begins. HIV attacks the T-helper cells in the immune system, which are in charge of defending the body against foreign invaders. HIV gets into the bloodstream and travels to the CD4 T-helper cells after being contracted. The virus begins to reproduce after it has entered the host cell's cytoplasm. The viral RNA then acts as a template for reverse transcriptase, an enzyme that catalyzes the creation of a DNA copy of the RNA. The RNA template is destroyed and a second DNA strand is created by the same enzyme, reverse transcriptase. This second DNA strand is complementary to the first and forms a double-stranded DNA molecule.
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vasoconstriction of blood vessels delivering blood to the gut is a likely response when an individual is
Vasoconstriction of blood vessels that supply blood to the gut is a likely response when an individual is under stress or in a fight-or-flight situation.
When the body perceives a threat, the sympathetic nervous system activates, leading to the release of adrenaline and other stress hormones. These hormones cause vasoconstriction of blood vessels in certain parts of the body, including the gut, in order to redirect blood flow to areas that are more essential for survival, such as the heart, lungs, and muscles.
This response is an evolutionary adaptation that allows the body to respond quickly to potential danger, by increasing heart rate and blood pressure, and providing more oxygen and glucose to vital organs and tissues. However, prolonged or chronic stress can lead to dysfunction of the stress response system and may contribute to various health issues.
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regulation by induction and repression are called negative control because __________.
Regulation by induction and repression are called negative control because they both involve the suppression of gene expression.
The repression of gene expressed occurs when a patch, frequently a protein, binds to a gene and prevents its expression, or when a gene is actuated by a patch, but the gene product isn't made. In both cases, gene expression is inhibited, which is why these nonsupervisory processes are considered negative control.
In negative control, the gene is suppressed by a nonsupervisory patch, similar as a recap factor, which binds to the gene and prevents it from being expressed. This is known as suppression. Alternately, the gene may be actuated by a nonsupervisory patch, similar as an activator protein, which binds to the gene and allows it to be expressed.
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soil moisture tightly bound to each soil particle and unavailable for plant use is termed ___ water. question 38 options: o hygroscopic o capillary o available gravitational
Soil moisture tightly bound to each soil particle and unavailable for plant use is termed hygroscopic water.
Thus, the correct answer is hygroscopic (A).
What is hygroscopic water?Hygroscopic wаter refers to the аmount of wаter thаt is tightly held by soil pаrticles аnd is not аvаilаble for plаnt use. It is so tightly bound to the soil pаrticles thаt it requires а lot of energy for it to be removed from the soil. Due to this tightly bound moisture, hygroscopic wаter is not used by plаnts аnd is not considered аs soil wаter. It is mаinly found in soil pаrticles such аs clаy.
The hygroscopic coefficient is the аmount of wаter а dry soil cаn аbsorb when in contаct with а humid аtmosphere. The cаpаcity of а soil to аbsorb moisture from the аir is determined by the number аnd size of its clаy аnd orgаnic mаtter pаrticles. The hygroscopic coefficient rаnges from 0 to 0.2 аnd vаries with temperаture, soil texture, аnd sаlt content.
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Which example is an abiotic factor of a desert environment?
* rattlesnake
* scorpion
* cactus
* sand
Answer:
Which example is an abiotic factor of a desert environment?
* rattlesnake
* scorpion
* cactus
* sand
Explanation:
Sand is an abiotic factor of a desert environment. Abiotic factors are non-living physical and chemical components of an ecosystem, such as water, sunlight, soil, and temperature.
How might a geneticist write alleles to show that a tall pea plant has one allele for tall stems and one allele for short stems?
A cross between two plants that differ in just one character pair is referred to as a monohybrid cross. as in the pea plant's height. To investigate how one gene is inherited, Mendel crossed tall and dwarf pea plants.
Mendel crossed true breeding tall (TT) plants with true breeding dwarf (tt) plants. In order to prevent self-pollination, he plucked the anthers from one plant. Parent here is a woman. He then transmitted pollen grains to the female parent from the other plant (the male parent). The offspring of F1
In the first generation, all plants were tall (Tt). This shows that towering characters are more dominant than dwarf characters. When self-pollinated, the F 1 generation produced an equal number of gametes T and t. Both tall and dwarf plants were generated in the F 2 generation, with the ratio being 3 (tall): 1. (dwarf). The resurgence of dwarf plants is evidence that the tallness and dwarfness genes separated during gamete development.
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extrachromosomal dna is critical to the antibiotic resistance found in microorganisms, how do these dna elements account for this phenomena?
Extrachromosomal DNA is critical to the antibiotic resistance found in microorganisms. These DNA elements account for the phenomena by providing resistance genes that can be shared among bacteria, allowing them to survive exposure to antibiotics.
What are Extrachromosomal DNA?Extrachromosomal DNA are also known as plasmids, and these can be passed between bacteria through a process called conjugation. This allows resistance genes to be shared between bacteria, increasing the prevalence of antibiotic-resistant strains. In addition, some extrachromosomal DNA contains genes that produce enzymes that can break down antibiotics, rendering them ineffective against the bacteria carrying these genes. This is known as enzymatic resistance.
Extrachromosomal DNA can also provide bacteria with the ability to pump antibiotics out of their cells more effectively, preventing the antibiotics from reaching their intended targets within the bacteria. This is known as efflux-mediated resistance. In summary, extrachromosomal DNA plays a critical role in the development of antibiotic resistance in microorganisms. By providing resistance genes that can be shared between bacteria, producing enzymes that break down antibiotics, and increasing the ability of bacteria to pump antibiotics out of their cells, extrachromosomal DNA allows bacteria to survive exposure to antibiotics.
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The kidneys help to regulate blood pressure by:A. retaining key electrolytes, such as potassium.B. eliminating toxic waste products from the body.C. removing sodium, and thus water, from the body.D. accommodating a large amount of blood volume.
Answer:
option C
Explanation:
The kidneys regulate circulatory volume by controlling sodium and water balance
Complete the sentences by dragging the correct organs or structures to the appropriate blanks. Answers may be used more than once. Not all answers will be used. Used bile salts are absorbed in the ____. This organ recycles the bile salts to used bile salts enter the make new II present in chyme, it can interfere with the recycling of used blle salts. As a result, the used bile salts are in _____ When there is a lack of recycled blle salts, the from the bloodstream to make new ___ uses
Used bile salts are absorbed in ileum. This organ recycles bile salts to the liver. If there is excess fat present in chyme, it can interfere with recycling of used bile salts. As a result, used bile salts are in lower concentration. When there is lack of recycled bile salts, liver takes up more cholesterol from bloodstream to make new bile salts.
What are bile salts?Bile salts play key role in hepatobiliary and intestinal homeostasis and digestion. The liver synthesizes primary bile salts from cholesterol and enzymatic modifications during their enterohepatic circulation lead to the formation of secondary and tertiary bile salts. The solubilization of dietary lipids and fat-soluble nutrients are the main digestive functions of bile salts.
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Cholera is a disease that can spread when sewage mixes with drinking water. cholera is spread by _____ transmission.
Cholera is a disease that can spread when sewage mixes with drinking water. Cholera is spread by waterborne transmission. It is transmitted through contaminated water and food.
What is cholera?Cholera is a bacterial infection that affects the digestive system of the body. This infection is transmitted through water, particularly contaminated water, or by eating food that has been in contact with contaminated water.The disease is usually caused by Vibrio cholerae, a gram-negative bacteria that is found in contaminated water and food. When an individual ingests contaminated water or food, the bacteria penetrate the small intestine, causing the person to suffer from cholera symptoms.
Symptoms of cholera can be mild or severe, and they can develop within hours of being exposed to the bacteria. Some of the most common symptoms of cholera include diarrhea, vomiting, nausea, dehydration, rapid heartbeat, rapid breathing, low blood pressure, muscle cramps, and abdominal pain.
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Which Process Is NOT Part of The Carbon Cycle?
A: Predation
B:Photosynthesis
C: Transpiration
D: Respiration
Answer: C: Transpiration
Photosynthesis, burning of fossil fuel, and respiration is involved in the carbon cycle, transpiration is not involved in the carbon cycle.
Answer:
c
Explanation:
The cells of the immune systema) move from one part of the body to another via the body's circulatory systemsb) descend from tissue cells & therefore stay in the tissues where they developed
The cells of the immune system move from one part of the body to another via the body's circulatory systems.
The immune system is a complex network of cells, tissues, and organs that function together to protect the body from infections and diseases. It has evolved over millions of years to defend the body against an array of pathogens, including viruses, bacteria, fungi, and parasites.The immune system is composed of several types of cells, including white blood cells (leukocytes), which are produced in bone marrow and distributed throughout the body via the circulatory system. These cells, which include B cells, T cells, and natural killer cells, all have specialized functions in the immune system.White blood cells leave the bloodstream and migrate into tissues where infections have arisen. Phagocytic cells (macrophages, neutrophils) remove dead cells and microorganisms. In response to stimulation by pathogens or inflammation, white blood cells can squeeze through the walls of blood vessels and enter tissues in search of foreign substances or damaged cells.In conclusion, the cells of the immune system move from one part of the body to another via the body's circulatory systems.Learn more about immune system: https://brainly.com/question/15595309
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the paired cerebral hemispheres are separated by a deep _____ ________
The frontal cortex is separated into the left and right halves of the globe by a deep longitudinal fissure: The corpus callosum keeps the two hemispheres in touch and communicating with one another.
The interhemispheric fissure, or deep groove, known as the falx cerebri, separates the cerebral hemispheres in part along the midline; The tentorium cerebellum is contained in a transverse fissure that separates the cerebral hemisphere from the cerebellum.
The corpus callosum, a thick band of nerve fibers, connects the two hemispheres. This "bridge" allows the brain halves to communicate with one another.
The deep groove that divides the brain into two halves, or hemispheres, is the most prominent sulcus, known as the longitudinal fissure: the right and left halves of the brain.
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Different types of research have all concluded that global climate change is:
A. increasing annual precipitation everywhere.
B. increasing annual temperatures everywhere.
C. making climates more extreme.
D. making storms more frequent.
The different types of research conducted on global climate change have concluded that it is making climates more extreme.
This means that climate patterns are becoming more unpredictable, with more frequent and severe weather events, such as heatwaves, droughts, floods, hurricanes, and wildfires. The increase in global temperatures due to the emission of greenhouse gases is driving this trend. As the planet warms, it disrupts the natural balance of climate systems, leading to changes in precipitation patterns, ocean currents, atmospheric circulation, and other factors that affect weather and climate. The effects of climate change are complex and far-reaching, impacting ecosystems, economies, and societies in diverse and often unpredictable ways.
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reinforced, threadlike pseudopods that can perform phagocytosis are generally characteristic of ________.
The Correct option is A. Reinforced, threadlike pseudopods that can perform phagocytosis are generally characteristic of radiolarians and forams.
Radiolarians are single-celled aquatic organisms that belong to the kingdom Protista. They are characterized by a unique silica skeleton that forms intricate and often ornates geometric patterns. The skeleton provides structural support and protection for the cell, as well as aiding in buoyancy and prey capture.
Radiolarians are found in marine environments throughout the world and play an important role in the food chain as they are primary consumers of phytoplankton and other small organisms. They have a wide range of shapes and sizes, from simple spherical forms to complex branching structures, and can range in size from a few microns to several millimeters.
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Complete Question:
Reinforced, threadlike pseudopods that can perform phagocytosis are generally characteristic of which group?
A) radiolarians and forams
B) gymnamoebas
C) entamoebas
D) amoeboid stage of cellular slime molds
E) oomycetes
