Actually, copies of the original organelles from the parent are transferred to the offspring. Extranuclear DNA is passed along in this manner.
How do humans pass on their genes to future generations?Through inherited chemical information units, genetic information is transmitted from one generation to the next (in most cases, genes). Through sexual reproduction, organisms create other creatures that are genetically identical to themselves, maintaining the genetic material's branch and connecting generations.
How is the cytoplasmic DNA passed down?Cytoplasmic genetic components are often inherited from the mother, while there are a few cases in which they are acquired from the father, from a second parent, or from both parents.
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describe the mechanism by which atp synthase makes atp. when the beta subunit is in the loose conformation, it may contain atp.
The given statement is False.
What is the mechanism of ATP synthase?
The ATP synthase is a mitochondrial enzyme localized in the inner membrane, where it catalyzes the synthesis of ATP from ADP and phosphate, driven by a flux of protons across a gradient generated by electron transfer from the proton chemically positive to the negative side.
What does the beta subunit do in ATP synthase?
The alpha- and beta-subunits of membrane-bound ATP synthase complex bind ATP and ADP: beta contributes to catalytic sites, and alpha may be involved in the regulation of ATP synthase activity. The sequences of beta-subunits are highly conserved in Escherichia coli and bovine mitochondria.
What are the 3 major mechanisms by which ATP is generated?
In general, the main energy source for cellular metabolism is glucose, which is catabolized in the three subsequent processes—glycolysis, tricarboxylic acid cycle (TCA or Krebs cycle), and finally oxidative phosphorylation—to produce ATP.
Therefore, the given statement is False.
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what event that occurred around 10,000 years ago led to genetic changes in wheat? a) domestication of livestock b) mass extinction of herbivores c) domestication of the wheat plant d) invention of genetic engineering
Domestication of the wheat plant occurred around 10,000 years ago and resulted in genetic changes in wheat. The correct answer is option(c).
Domestication is a maintained multi-generational connection at which point persons assume an important strength of control over the duplication and care of another group of creatures to secure a more certain supply of possessions from that group.
The preparation of wheat about 10,000 before apparent an exciting retire the happening and development of human civilization, as it allowed the change from a chaser-hoarder and itinerant peaceful association to a more lazy agrarian individual. Domestication of the wheat plant occurred around 10,000 years ago and resulted in genetic changes in wheat.
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if a stressful situation is not resolved before glycogen is gone, the body enters which phase of gas during which the priority is to provide alternate fuels for metabolism?
In the Stage of Resistance phase of gas, the body's top concern is to supply alternative fuels for metabolism if a stressful condition is not remedied before glycogen runs out.
Long-term cortisol exposure can lower immune cells, encourage weight gain, induce muscle breakdown, increase glycogen retention, and reduce inflammatory response. The stressful reaction, often known as the fight-or-flight response, is brought on by the hormones that tell us whether to fight or escape. glycogen and cortisol, among other stressful hormones, are released by the nervous system in response to a threat, rousing the body to take stressful rapid action.
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How does photosynthesis connect to cells and transport? Explain.
Answer:
Photosynthetic electron transport is the first stage of photosynthesis that produces chemically stored energy and uses solar photons to drive electron transport against a thermodynamic gradient.
the gastroenterologist has just determined that you have a blockage in your jejunum and he will have to perform surgery, making a small incision in the wall to remove the obstruction. which tunic will be cut first? submucosa mucosa adventitia serosa tunica muscularis
The gastroenterologist has just determined that you have a blockage in your jejunum and he will have to perform surgery, making a small incision in the wall to remove the obstruction. Serosa tunic will be cut first.
The outer lining of the abdominal and thoracic organs and cavities, including the stomach. Also called serous membrane.
The serosa (or serosa) is a smooth tissue membrane of mesothelium that lines the contents and inner walls of body cavities that secretes serous fluid, allowing lubricated gliding motion between opposing surfaces.
Serosa, or serous membrane, is a thin membrane that lines body cavities and organs such as the heart, lungs, and abdominal cavity. The thin membrane is composed of mesothelium tissue derived from the mesoderm.
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Which cli-based configuration should you provide on the router to enable it to send data to cisco dna center?
The telemetry profiles set up in this procedure are used by Cisco DNA Center to choose which telemetry types to capture. The health of network devices is then monitored using these data types.
your intent-based network for the enterprise is called Cisco DNA Center. All of your network devices can be provisioned and configured in a matter of minutes. To proactively monitor, troubleshoot, and optimize your network, use cutting-edge artificial intelligence (AI) and machine learning (ML).
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the designation for the renal arrangement of structures that facilitates the movement of solutes between blood vessels is called the
The kidney's renal artery filtering organ, the glomerulus, is a unique collection of capillaries that is sandwiched between two resistance vessels. The only capillary beds in the body that are not bordered by interstitial tissue are these capillaries, which are all confined within the Bowman's capsule.
The renal artery initially separates into segmental arteries, then it continues to branch to create interlobar arteries, which then go via the renal artery columns to the capillaries ,cortex. The interlobar arteries subsequently divide into afferent arterioles, capillaries arcuate arteries, and cortical radiate arteries.
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tients with pyruvate dehydrogenase deficiency show high levels of lactic acid in the blood. however, in some cases, treatment with dichloroacetate (dca) lowers lactic acid levels. dca targets the activity of pyruvate dehydrogenase kinase (pdk). identify how dca acts to stimulate p
DCA inhibits private dehydrogenase kinase.
Pyruvate dehydrogenase deficiency is characterized by lactic acid buildup in the body and a variety of neurological problems. This condition's signs and symptoms typically appear shortly after birth and can vary greatly between affected individuals.
PDCD is most commonly caused by mutations in the gene encoding the E1 alpha subunit, also known as the E1-alpha subunit pyruvate dehydrogenase gene or PDHA1. There are numerous PDCD-causing abnormalities in the PDHA1 gene, also known as PDHA1 variants. PDC deficiency is diagnosed using laboratory tests such as blood tests, urine analysis, and brain MRI. The pyruvate dehydrogenase enzyme can be used to confirm the diagnosis.
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explain the reason a man with rh-positive blood might be the father of a rh-negative blood child? g
When her antibodies enter the infant's bloodstream, they attack those cells. Red blood cells in the infant may swell and rupture as a result of this. This is referred to as newborn hemolytic disease or Rh disease. A baby's blood count may drop dramatically as a result.
A person is referred to as Rh positive or Rh negative depending on whether or not their blood contains the protein known as the Rh factor. Marriage between a Rh-negative female and a Rh-positive male should be avoided.
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most known bacteriophages have which type of morphology? group of answer choices siphovirus podovirus myovirus microvirus
Most known bacteriophages have siphovirus morphology. Therefore option A is correct.
Siphoviruses are a type of bacteriophage with a characteristic long, non-contractile tail, which distinguishes them from other types like myoviruses (contractile tails), podoviruses (short, stubby tails), and microviruses (icosahedral capsids without tails).
Siphoviruses attach to specific receptors on bacterial cell surfaces using their tail fibers and inject their genetic material into the host cell to reproduce and release new phage particles.
Their prevalence can be attributed to their ability to infect a wide range of bacterial species, making them important agents in controlling bacterial populations and potential tools in phage therapy for combating bacterial infections.
Therefore option A is correct.
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If a baby is born prematurely before type II cells produce sufficient pulmonary surfactant, which of the following might you expect? a. difficulty expressing fluid b. difficulty inflating the lungs c. difficulty with pulmonary capillary flow d. no difficulty as type I cells can provide enough surfactant for normal breathing
Premature birth causes pulmonary inflation difficulties because type II cells are unable to create enough pulmonary surfactant.
What use does pulmonary surfactant serve?It is known that pulmonary surfactant lowers surface tension in the alveoli at the air-water interface, limiting the collapse of these structures at end-expiration. Surfactant lessens the effort required for breathing in this way.
How can surfactant stop the collapse of the lungs?The lung cells exude surfactant, which distributes throughout the alveolar tissue. This chemical reduces surface tension, which facilitates easy breathing by preventing the collapse of the alveoli following exhalation. A complex mixture of proteins and phospholipids called pulmonary surfactant works to lower surface tension at the alveolar-air interface, preventing atelectasis.
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By bombarding the fungus neurospora crassa with x-rays, beadle and tatum were able to study __________ and characterize enzymes in a __________.
Beadle and Tatum studied nutritional mutants and characterized enzymes in a biochemical pathway by irradiating the fungus Neurospora crassa with x-rays.
What two important conclusions came from Beadle and Tatum's research?With the help of genetic and biochemical investigations of the bread mold Neurospora, Beadle and Tatum were able to validate Garrod's theory. Mutants of bread mold that couldn't produce particular amino acids were found, according to Beadle and Tatum. A mutation has "broken" an enzyme required to synthesize a certain amino acid in each case.
What did Beadle and Tatum's work on Neurospora demonstrate?Through research on the red bread mold Neurospora crassa, George Beadle and Edward Tatum established the "one gene, one function" principle by demonstrating that genes act by controlling different chemical reactions.
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help meeeeeeeeeeeeeeee pleaseeeeeeehelp meeeeeeeeeeeeeeee pleaseeeeeeehelp meeeeeeeeeeeeeeee pleaseeeeeeehelp meeeeeeeeeeeeeeee pleaseeeeeeehelp meeeeeeeeeeeeeeee pleaseeeeeeehelp meeeeeeeeeeeeeeee pleaseeeeeee
Answer:
1. C
2. A
3. B
100% right
Explanation:
1.D
2.A
3.B
I hope it's useful
in the gi tract, a food bolus is converted into a semiliquid mass of partly digested food and digesteive secretions known as
In the Gi tract, a food bolus is converted into a semiliquid mass of partly digested food and digestive secretions known as chyme.
What is bolus?
Saliva combined with food after it has been chewed. Food particles are chemically reduced, hydrated for taste, and lubricated for easy swallowing when chewed to a size that can be easily swallowed. Saliva contributes digestive enzymes, water, and mucus that help in these processes.
What is digestive tracts?
The release of water, acids, enzymes, buffers, and salts is known as secretion in the digestive tract. digestive tract epithelium.
Food is transformed into chyme, a semi-liquid state that can be digested, from which it can be consumed (mixture of partly digested food and digestive secretions).
Therefore, e Gi tract, a food bolus is converted into a semiliquid mass of partly digested food and digestive secretions known as chyme.
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The process of two species changing genetically in response to long-term interactions with each other is.
Coevulation is the process through which two species undergo genetic change in response to ongoing contact. The most general definition of coevolution is when two groups of organisms influence one other's evolution in opposite directions.
What is an example of coevolution?One of the most prevalent instances of coevolution is the predator-prey relationship. In this sense, there is a selective pressure on the prey to evade capture, necessitating the evolution of the predator into a more proficient hunter.
Why does coevolution occur?This concept's underlying "game theory" may involve competition between species (as in interspecific competition) or within species (as in competition between various morphs of the same species) for resources like food or females.
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Mendel was able to see experimentally that the traits he studied were not blended in the offspring because he studied continuous variation. True False
The statement is False because Mendel was able to see experimentally that the traits he studied were not blended in the offspring as he studied discontinuous variation.
Discontinuous variation is the variation seen among individuals when each individual shows one of two or very few easily distinguishable traits, such as violet or white flowers. Mendel's choice of these kinds of traits allowed him to see experimentally that the traits were not blended in the offspring as expected at the time, but that they were inherited as distinct traits.
Pure-bred plants did not give rise to offspring with mixed traits, as Mendel discovered. Generally speaking, children seem to inherit traits from both of their parents. According to Mendel, the elements that influence a trait are found in pairs. According to Mendel's experiments, a child's traits are a combination of those of the parents.
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antioxidants are natural and synthetic molecules that inhibit the reactions of reactive oxygen species (ros). which vitamins/minerals are examples of nonenzymatic antioxidants? select all that apply.
Glutathione, carotenoids, vitamin C, and vitamin E are examples of non-enzymatic antioxidants.
Antioxidants are substances that may shield your cells from free radicals, which may be the cause of cancer, heart disease, and other illnesses. Molecules known as free radicals are produced when your body breaks down food, is exposed to radiation or tobacco smoke, or both.
Non-enzymatic Antioxidants prevent free radical chain reactions from continuing. Glutathione, carotenoids, vitamin C, and vitamin E are a few examples of non-enzymatic antioxidants. The antioxidants can also be categorized according to their solubility in water or lipids. There are two types of antioxidants: those that dissolve in water and those that dissolve in lipids.
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Information received by sensory cells is conveyed to the central nervous system in the form of impulses along afferent fibers. In order for this to happen when the receptor cell is not a neuron, its receptor potential ______.
Information received by sensory cells is conveyed to central nervous system in the form of impulses and for this to happen when the receptor cell is not a neuron, its receptor potential must be transferred to a neuron.
What is neuron?Neurons are information messengers and they use electrical impulses and chemical signals to transmit information between different areas of brain, and between the brain and rest of the nervous system.
The most common brain cells are neurons and non-neuron cells are called glia. The average adult human brain contains of 100 billion neurons and glia. Although neurons are most known brain cells but both neurons and glial cells are necessary for proper brain function.
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adenoviruses are a family of highly contagious viruses that most commonly cause illnesses of the respiratory system, such as bronchitis or pneumonia. in the first phase of an adenovirus infection, the host cell expresses several viral proteins. one of these proteins, e1b-55k, inhibits the activity of the host protein p53, a tumor suppressor that arrests the cell cycle or induces apoptosis when dna damage is detected. which of the following claims is best supported by the information above?
The majority of adenovirus infections result in the common cold and other minor respiratory illnesses.
A number of ailments, including bronchitis (an inflammation of the windpipe and major airways), pneumonia (an inflammation of the lungs), skin rashes, conjunctivitis (pink eye), bladder infections, and bowel infections, can be brought on by certain infections.
Adenovirus type 5 (Ad5early )'s region 1B (E1B) encodes at least five distinct polypeptides that are created by alternative splicing of a single mRNA precursor.
E1B-19K and E1B-55K, two of these gene products, both have the ability to work with the Ad5 E1A proteins to totally convert rodent cells in culture. Strong evidence points to the two E1B proteins' ability to combat growth arrest and apoptosis, which both inhibit cell transformation.
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In snapdragons, the allele for red flower color (CR) is incompletely dominant to the allele for white flower color (CW). Snapdragons that are heterozygous for flower color have a pink phenotype.
Which of the following crosses could yield all three flower color phenotypes (red, white, and pink) among the offspring?
A. CROR × CWCW
C. CROW × CROW
B. CRCR × CROW
D. CROW × CW CW
RW X RW. Since they are both heterozygous, all phenotypes will be displayed when we build a prunnet square with the choices RR RW RW and ww.
What about snapdragons?Because of their imagined similarity to a dragon's face that opens and closes its mouth when laterally pinched, plants in the Antirrhinum genus are also known as dog flowers, snapdragons, and dragon flowers.They are indigenous to rocky regions in North Africa, the United States, Canada, and Europe.Although some species are annuals, most samaras are short-lived perennials. Typically lance-shaped, the simple leaves. The main pollinators, which are strong bees, can force the mouth of the tubular, bilaterally symmetrical, typically large flowers to open, excluding the majority of insects.While snapdragons can bloom continuously throughout the year, they do best in the chilly months of spring and fall.They occasionally bloom all through the winter in milder climates, where they occasionally bloom all summer long in cooler ones. Usually grown as annuals, these short-lived perennials.Learn more about snapdragon here:
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11. explain what probably caused the increase in the pecentage of white rabbits. interpreting observations
Natural selection caused the increase in the percentage of white rabbits.
Natural selection is most likely to blame for the increase in the percentage of white rabbits. The hawks would not have been able to see the rabbits in the winter because of their white coat. As a result, the hawks would have mostly killed dark gray rabbits.
Natural selection is the process by which living organism populations adapt and change. Individuals in a population are naturally variable, which means they differ in some ways. This variation indicates that some people have traits that are better suited to their environment than others.
Natural selection is the mechanism proposed by Darwin for evolution. Because resources are limited in nature, organisms with heritable traits that favor survival and reproduction leave more offspring than their peers, causing the traits to become more common over generations.
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what chemical reaction absorbs energy
Your tongue is covered in bumps called papillae. Papillae have taste receptors that are bundled together (taste buds). Taste buds have microscopic hairs called microvilli which send nerve impulses to the brain. However, your nose plays a role too! While you’re chewing, the food releases chemicals that travel up your nose and trigger olfactory receptors which also send nerve impulses to the brain to help you interpret the true flavor of what you’re eating. With this information, explain why a cold or allergies can diminish the flavor of your food.
During eating, the tongue and nose receptors collaborate to send signals to the brain that can provide an idea of the flavor. When one has a cold, the nose does not work well enough to detect smell of the food.
What is the role of receptors in the body?Many receptors on various cell types function differently, such as the tongue receptor, which sends food taste information to the brain. The nose receptors send the food smell to the olfactory region of the brain, but when a person becomes allergic or cold, the nose receptors stop working properly, and the smell does not reach the brain.
Hence, due to these reasons, the nose cannot smell and the person gets little flavor from the food.
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Match the following vocabulary words with their definitions.
1.an oval having both ends alike gravity 2.the natural force that makes objects move or tend to move toward each other aphelion 3.the path of the earth or any planet around the sun ellipse 4.to move around a center or axis rotate 5.instrument for making distant objects appear nearer, larger, and brighter perihelion 6.the point in a planet's orbit that is farthest from the sun revolution 7.the point in a planet's orbit that is nearest the sun orbit 8.movement around some point in a circle or curve telescope 9.a formal written work dealing with some subject treatise
1. An oval having both ends like gravity - Ellipse, 2. The natural force that makes objects move or tend to move toward each other aphelion - Gravity, 3. The path of the earth or any planet around the sun ellipse - Orbit, 4. To move around a center or axis rotate - Rotate.
5. Instrument for making distant objects appear nearer, larger, and brighter perihelion - Telescope,
6. The point in a planet's orbit that is farthest from the sun revolution - Aphelion
7. The point in a planet's orbit that is nearest the sun orbit - Perihelion
8. Movement around some point in a circle or curve telescope - Revolution
9. A formal written work dealing with some subject treatise - Treatise
Gravity is a fundamental interaction that causes shared feeling 'tween the entirety accompanying bulk or strength. A planet is a heavenly body that (a) is in influence by the Sun, (b) has adequate bulk for allure self-seriousness to overcome severe physique forces for fear that it acquires a hydrostatic balance (almost round) shape, and (c) has emptied the neighborhood about allure domain.
The planets, orderly of their distance outward from the Sun, are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
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Answer:
guy above me is right I think
Explanation:
I like turtles
microscopic examination of cerebrospinal fluid reveals gram-positive rods. what is the organism? group of answer choices streptococcus listeria naegleria haemophilus neisseria
Listeria is the microscopic examination of cerebrospinal fluid reveals gram-positive rods.
cerebrospinal fluid reveals -CSF (shown in blue) is produced by the tissue that lines the ventricles (hollow spaces) in the brain. It circulates in and around the brain and spinal cord, protecting and nourishing them.
Listeria is a bacterial genus that lives as an intracellular parasite in mammals. Until 1992, there were 17 species known, each with two subspecies. 21 species had been identified by 2020. The genus is named after the British sterile surgery pioneer. Lister, Joseph
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q4.1. without mutations, and with no crabs present, snails produce offspring that have the same shell thickness as themselves (they clone themselves). will this change when you add crabs? why or why not?
No, because there is no mechanism for a snail to produce offspring with a different shell thickness from itself, thus the answer option (D).
The population does not experience changes in shell thickness. Some snails in the population experience changes in shell thickness.
Predators are creatures that go on the search for prey to eat. There are various creatures that prey on crabs, including otters, alligators, fish, and even shrimp (they eat the larvae). Predators are animals that hunt other animals or living things for food, whereas prey is little animals or organisms that eat the food that the predator leaves behind after it has eaten it.
The interaction between the predator and the prey is represented in the ecosystem by a food chain, sometimes referred to as a food web. For the ecosystem's food chain to function properly and keep the population in check.
The complete question is:
Without mutations, and with no crabs present, snails produce offspring that have the same shell thickness as themselves (they clone themselves). will this change when you add crabs? why or why not?
(A). Yes, now snails will grow thicker shells to protect themselves and they will pass these thicker shells to their offspring.
(B). Yes, now snails will try to protect their offspring from crabs by making offspring with thicker shells.
(C). Yes, the population will evolve thicker shells through natural selection.
(D). No, because there is no mechanism for a snail to produce offspring with a different shell thickness from itself.
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according to kinetic molecular theory, gas particles: select the correct answer below: exert attractive forces amongst one another exert repulsive forces amongst one another exert both attractive and repulsive forces amongst one another none of the above
None of the above. Between gas particles or between the particles and the container walls, there is no force of attraction. Gas particle collisions and impacts with the container's walls are both fully elastic.
The observed correlations between a gas's pressure, volume, and temperature are frequently not ideal, which means that the gas laws do not fully capture these interactions. The causes of these departures from the behavior of an ideal gas are taken into account in this section.
Gas molecules behave almost exactly like ideal gas particles at relatively low pressures because they are (on average) so widely apart and have virtually no attraction for one another. However, the force of attraction is also no longer negligible at higher pressures. This force marginally reduces the pressure (assuming the volume is constant) or decreases the volume by drawing the molecules closer together (at constant pressure). Due to the molecules' lower KE in comparison to the attractive forces, which makes them less able to overcome these forces after interacting with one another, this change is more pronounced at low temperatures.
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Choose the answer that lists the steps involved in the depolarization of a neuron during an action potential in the correct order.
1. Action potential stimulus.
2. Active transport of sodium and potassium ions.
3. Inactivation gates close.
4. Movement of potassium ions out of the cell.
5. Movement of sodium ions into the cell.
6. Opening of potassium channels.
7. Opening of sodium activation gates.
maraviroc is being considered as part of a salvage antiretroviral regimen and an hiv tropism coreceptor assay is ordered. what result is required for maraviroc to be considered appropriate for use?
R5-tropic HIV is required for maraviroc to be considered appropriate for use.
Maraviroc is used in conjunction with other medications to treat human immunodeficiency virus infections (HIV). The virus that causes AIDS is known to induce a lack of immune system function (AIDS). Patients who have previously undergone HIV treatment typically receive this medication.
The kind of HIV that attaches to the CD4 cell's CCR5 coreceptor before entering and infecting the host cell. HIV must first bind to a CD4 receptor, then to either the CCR5 or CXCR4 coreceptor, and ultimately fuse its membrane with the membrane of the CD4 cell in order to enter a CD4 cell. During the initial stages of infection.
Hence, maraviroc uses of R5-tropic HIV for mechanism of action.
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in positive control of several sugar-metabolism-related operons, the camp receptor protein (crp) binds to dna to stimulate transcription. which of the following events activates crp? in positive control of several sugar-metabolism-related operons, the camp receptor protein (crp) binds to dna to stimulate transcription. which of the following events activates crp? increase in glucose and decrease in camp decrease in glucose and increase in repressor increase in glucose and increase in camp decrease in glucose and increase in camp
A protein called CRP (cAMP receptor protein) is present in bacteria. A regulatory protein, that is.
When CRP binds to cAMP, a conformational shift occurs that causes CRP to bind to particular locations on DNA promoters. This interacts with RNA polymerase to activate transcription. CRP activity increases in response to a drop in glucose and a rise in cAMP. When glucose acts as a carbon source, cAMP levels are low. This results from the adenylate cyclase enzyme being inhibited (cAMP producing enzyme). Therefore, a drop in glucose will result in an increase in cAPM.
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