Drugs that target viral gene expression must accomplish __________ in order to be functional in human hosts. Group of answer choices
Answers
Drugs that target viral gene expression must accomplish in order to be functional in human hosts block viral entry, reverse transcriptase and block viral genetic takeover. (Option D. All of the above).
The correct answer is D. All of the above.
Drugs that target viral gene expression must accomplish multiple tasks in order to be functional in human hosts. These tasks include:
A. Blocking viral entry: Viral entry inhibitors are drugs that prevent the virus from entering and infecting host cells. They target specific viral proteins or receptors involved in the attachment and entry of the virus into the host cell. By blocking viral entry, these drugs can help prevent viral gene expression and replication.
B. Inhibiting reverse transcriptase: Reverse transcriptase inhibitors are drugs that target the enzyme reverse transcriptase, which is essential for the replication of certain viruses, particularly retroviruses like HIV. These drugs can interfere with the reverse transcription process, preventing the conversion of viral RNA into DNA. By inhibiting reverse transcriptase, viral gene expression and replication can be disrupted.
C. Blocking viral genetic takeover: Some drugs target specific steps in viral gene expression and replication, aiming to disrupt the viral genetic takeover of host cells. For example, protease inhibitors are drugs that inhibit viral proteases, which are enzymes necessary for the processing of viral proteins during viral replication. By blocking protease activity, these drugs can interfere with viral gene expression and assembly of new viral particles.
Therefore, drugs that target viral gene expression need to address all of these aspects (blocking viral entry, inhibiting reverse transcriptase, and blocking viral genetic takeover) in order to effectively disrupt the viral life cycle and reduce viral replication in human hosts.
The correct question is:
Drugs that target viral gene expression must accomplish in order to be functional in human hosts.
A. Block viral entry
B. Reverse transcriptase
C. Block viral genetic takeover
D. All of the above
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Related Questions
Which of the following characteristics determine a virus's host range?
A) the enzymes carried by the virus
B) whether its nucleic acid is DNA or RNA
C) the proteins in the host's cytoplasm
D) the proteins on its surface and that of the host
Answers
Option D) The proteins on its surface and that of the host determine a virus's host range.
The variety of host creatures that a given virus may infect is referred to as the virus's host range. The compatibility between the proteins on the surface of the virus and the surface of the host cell is one of the most crucial elements that determine the host range.
Viral attachment proteins or viral envelope proteins are examples of unique proteins found on the outer surface of viruses that enable them to recognize and bind to certain receptors on the surface of host cells. For the virus to successfully connect to and enter the host cell, the surface proteins on both the virus and the host cell must be compatible.
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please help me!!!!!!!!!!!
Answers
Answer:
The one you have selected(C) is correct
Explanation:
hope this helps!
WILL MARK BRAINLIEST IF ANSWERED!!! How do scientists think endosymbiosis might have occurred?
A. Eukaryotes preyed on prokaryotes.
B. Prokaryotes actively absorbed eukaryotes through their
membranes.
C. Eukaryotes actively absorbed prokaryotes through their
membranes.
D. Eukaryotes and prokaryotes mated.
Answers
Answer:
hope this helps some
Explanation:
The theory that explains how this could have happened is called endosymbiotic theory. An endosymbiont is one organism that lives inside of another one. All eukaryotic cells, like your own, are creatures that are made up of the parts of other creatures. Mitochondria, the important energy generators of our cells, evolved from free-living cells.
Population density (ecology) definition ?
Answers
Answer:
Population density is the number of individuals per unit geographic area, for example, number per square meter, per hectare, or per square kilometer.
Explanation:
The population density of organisms determines how successful they will be and what effects they will have on their environment. In biology, populations are a group of individuals belonging to the same species that live in the same region at the same time.
Question 3(Multiple Choice Worth 4 points) High tides are experienced 12 hours apart for a certain coastline. Which of the following best explains the reason for this phenomenon? O The coastline becomes 90 degrees with the moon twice. O The coastline comes in a straight line with the moon once. O The coastline experiences tidal bulge twice a day. O The coastline experiences tidal bulge once a day.
Answers
High tides are experienced as the coastline experiences tidal bulge twice a day. Hence, high tides are experiences 12 hours apart for a certain coastline.
Tides are caused by the gravitational forces applied on the earth largely by the moon and also by the sun. This gravitational force causes the ocean water to be attracted towards the moon which creates a bulge in the ocean.
The earth's rotation can cause the waters that are affected to change. When the sun is parallel to the moon or relatively on the opposite side, these high tides are to be expected.
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Which would most likely result in an increase in genetic variation in a population? a. an increase in predators and a decrease in food b. an increase in predators and an increase in foodc. a decrease in predators and an increase in food d. a decrease in predators and a decrease in food
Answers
A decrease in predators and an increase in food would most likely result in an increase in genetic variation in a population.
What is genetic variation?
The difference in DNA sequence found in each of our genomes is referred to as genetic variation. We are all different from one another in terms of our hair color, skin tone, and even the shape of our faces due to genetic variance.
Mutation, chance mating, random fertilization, and recombination between homologous chromosomes during meiosis (which rearranges alleles within an organism's progeny) are all possible sources of genetic diversity.
Predators starve and die because they can't locate enough food when there are too many predators and not enough prey. The spread of illness and depletion of resources for prey species and other species living in their habitat are caused by an abundance of prey and a lack of predators.
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Answer:
C. a decrease in predators and an increase in food.
Which of the following adaptations enables deciduous trees to produce more food?
a.
broad leaves
b.
thick bark
c.
leaf loss
d.
color change
Answers
The presence of broad leaves, which is present in Option A, enables deciduous trees to produce more food. Broad leaves have the benefit of increasing the photosynthetic rate, resulting in more food production.
What is the role of the leaves?Leaves are of many types, such as the neddle-shaped leaf and flat leaves, and all these leaves are adapted to different climatic conditions. The plants that are present in the tropical area have comparatively flat leaves compared to those that are present in the cold areas in order to control transpiration and heat.
Leafy plants that are green in color have chloroplasts and chlorophyll pigments that help in the photosynthesis process. Because the photosynthesis process produces food, if the leaf is green, it has more chloroplasts and thus produces more food.
Hence, The presence of broad leaves, which is present in Option A, enables deciduous trees to produce more food.
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An astronaut is planning a trip to a newly-discovered planet according to the law of universal gravitation, the astronaut weight in the new planet will be greater than his weight on earth if:
Answers
The new planet has more mass than Earth but the same radius. The mass of the astronaut will be calculated by the use of Newton's gravitational equation. The weight of the astronaut depends completely on its mass and the gravitational acceleration of the planet.
Gravitational acceleration is directly proportional to the mass of the planet and indirectly proportional to the radius of the planet. Hence, when the gravitational acceleration increases the planet's mass will increase therefore the radius will decrease. The astronaut's mass will depend on these factors.
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How do all the action of micro organisms on following nutrients
Carbohydrates
Lipids
Proteins
Answers
Microorganisms play an essential role in the breakdown and cycling of nutrients, including carbohydrates, lipids, and proteins.
What is the role of microorganisms in enriching soil nutrients?The role of microorganisms in enriching soil nutrients is as follows:
Carbohydrates: Microorganisms break down carbohydrates into simple sugars like glucose through a process called glycolysis. Some microorganisms like yeast then use these simple sugars to produce energy and release carbon dioxide and ethanol in the process of fermentation.
Lipids: Microorganisms break down lipids through a process called lipolysis. Microorganisms like bacteria and fungi can then use the glycerol and fatty acids to produce energy through processes like beta-oxidation. Some microorganisms can also produce lipids, which can be used for biofuel production.
Proteins: Microorganisms break down proteins into their constituent amino acids through a process called proteolysis.
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Water transport is the primary function of which cell type?.
Answers
beta-sheets are a type of secondary structure and are found in every protein. T/F
Answers
Not every protein contains beta-sheet secondary structure. Proteins can have a variety of secondary structures such as alpha-helices, beta-sheets, and turns. The type of secondary structure present in a protein depends on the sequence of amino acids that make up the protein.
(False)
Key points:
Beta-sheet is a type of secondary structure in proteins, along with alpha-helices.Beta-sheets are composed of beta-strands, which are extended chains of amino acids.Beta-strands are stabilized by hydrogen bonds between the carbonyl oxygen of one amino acid and the nitrogen of another amino acid several residues down the chain.Beta-sheets can be formed between beta-strands running parallel or antiparallel to each other.Beta-sheets contribute to the overall three-dimensional structure of proteins, helping to give the protein its specific shape and stability.Not all proteins contain beta-sheet secondary structure, as the type of secondary structure depends on the sequence of amino acids that make up the protein.Beta-sheets play a role in protein-protein interactions, and can also participate in the formation of beta-sheet-rich aggregates in diseases such as Alzheimer's and prion disorders.Learn more about protein here:
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Which process turns glucose into energy?
Breathing
Cell division
Cellular respiration
Photosynthesis
Answers
Answer:
cellular respiration
Explanation:
If adequate nutrients are present, primary productivity depends on _____.
a. organism size
b. salinity
c. temperature
d. illumination
e. organism density
Answers
Have a great day!
5. A proposed set of statements or principles used to explain a group of facts or natural phenomena is a
law
question
set of data
conclusion
theory
Answers
Answer:
theory
Explanation:
A proposed set of statements or principles used to explain a group of facts or natural phenomena is a theory.
he principal role for simple sugars in living organisms is to . multiple choice form cell membranes serve as a form of long-term energy storage create genetic codes create cellular energy
Answers
The principal role of simple sugars (i.e. simple carbohydrates) in living organisms is to create cellular energy.
What are simple carbohydrates?Simple carbohydrates (e.g. glucose, fructose) are a special class of macromolecules composed of only one monosaccharide unit, which serve as a source of energy for cellular respiration.
In conclusion, the principal role of simple sugars (i.e. simple carbohydrates) in living organisms is to create cellular energy.
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during a biology lab you are observing the leg of a recently euthanized frog. the leg of the frog moves freely when you push on it. in contrast, the leg of a frog that died ten hours ago is very stiff (rigor mortis). explain why rigor mortis occurs. does a corpse remain in rigor mortis forever? if not, why not?
Answers
You are examining the leg of a just euthanized frog in a biology lab. Pushing on the frog's leg causes it to move freely. On the other hand, a frog that passed away ten hours prior had an extremely rigid limb (rigor mortis).
It has been investigated how isolated frog sartorius muscles react spontaneously to a 0.7% NaCl solution. The bath fluid's addition of either ()-carnitine hydrochloride or ()-carnitine base at a concentration of 1 mg/ml had no effect on the muscles' spontaneous activity, excitability, or capacity to release potassium. This suggests that striated frog muscle is not naturally inhibited by carnitine. Reversibly inhibiting the activity of muscles were fluids supplemented with potassium, either naturally from twitching muscles or through the addition of KCl.
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explain why a fresh wound on the skin bleeds more on a hot day than a cold day
Answers
Answer: This is more of a guess based on what I already know about liquid in certain temperatures but I would say it would have to be related to the blood having a harder time congealing due to the molecules moving faster because of the temperature. You probably already know that atoms move faster in higher temperatures as opposed to cooler ones, therefore the process of congealment and essentially transitioning from liquid to solid would be easier/quicker in cooler temperatures where the atoms in and around the wound would be moving slower.
Explanation:
over time, a species of mammals living in cold environments may evolve longer fur. this is due to the action of natural selection. which of the following best describes how natural selection creates this adaptation?
A) mammals with slightly longer fur have a survival advantage
B) mammals in colder climates produce more offspring
C) cold climates stimulate the growth of longer fur in mammals
D) individuals with longer hair migrate to colder climates
Answers
Answer:
A) mammals with slightly longer fur have a survival advantage
Explanation:
Could someone please help me with these 2 questions I will give 30 points
Answers
Grass flowers are typically small, inconspicuous, and lack bright colors or strong scents because these features are not necessary for their method of pollination.
Why are flowers of grass plants not colorful or scented?Grass plants typically have small, inconspicuous flowers that do not have bright colors or strong scents. This is because grasses are wind-pollinated, rather than insect-pollinated like many other flowering plants.
The small, simple flowers of grasses are adapted for wind pollination, which involves the transfer of pollen grains from the male part of the flower (the stamen) to the female part (the stigma) by the wind. In this mode of pollination, bright colors and strong scents are not necessary for attracting pollinators. Instead, grasses rely on producing large quantities of lightweight pollen that can be easily carried by the wind to reach other plants for fertilization.
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If you could be any invertebrate animal in the world what would it be? And then give several reason why?
Answers
Invertebrates hence contribute to soil quality creation and maintenance in addition to aiding in the pollination of food crops. In agricultural contexts, as well as in gardens and allotments, this is crucial for growing food crops.
What function do invertebrate animals serve?The vast majority of species on Earth are invertebrates, which have an enormous variety and many of them have not yet been fully characterized. In addition to providing several environmental services, such as pollination, decomposition, and nutrient release, they are essential parts of food webs.
If invertebrates vanished, what would happen?Additionally, insects help recirculate nutrients into the soil by decomposing plant material. The majority of bird and amphibian species would become extinct in two months without any insects.
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What was discovered in the 1930s about genes that helped us understand evolution better.
Answers
What are greenhouse gases?
Answers
Answer:
Greenhouse gasses contribute to the greenhouse affect in that they absorb infrared radiation.
Some examples of greenhouse gasses are such as carbon dioxide, methane, nitrous oxide, and certain synthetic chemicals.
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Greenhouse gases are those gases in the atmosphere that have an influence on the earth's energy balance. They cause the so-called greenhouse effect. The best known greenhouse gases, carbon dioxide (CO2), methane and nitrous oxide, can be found naturally in low concentrations in the atmosphere. However, the proportion has increased significantly since the beginning of the last century due to various man-made sources.
In addition to these trace gases, which can only be found in very low concentrations in the atmosphere, water vapour is probably the most important greenhouse gas. However, it only plays a major role in relation to the natural greenhouse effect, since the absorption capacity of water vapour in the air is directly related to temperature. Water vapour therefore has little influence on man-made climate change.
Muốn có vitamin D tránh loãng xương, còi xương ta cần phải là gì:
Answers
Answer:
Phơi nắng vào buổi sáng.
Answer:
chúng ta phải bổ sung thêm vitamin D qua các sản phẩm như lòng đỏ trứng, cá, sữa.
Explanation:
Which of these digestive organs is not part of the alimentary canal?
A. The stomach
B. The esophagus
C. The mouth
D. The liver
Answers
Answer:
liver
Explanation:
Answer:
Which of these digestive organs is not part of the alimentary canal?
A. The stomach
B. The esophagus
C. The mouth
D. The liverExplanation:
You're welcome.
Plants go through the process of transpiration in order to help the plant ________. (these are the choices) move water down the plant release sugar release carbon dioxide maintain homeostasis
Answers
Answer:
to get rid of excess moisture OR to move water down.
kindly, give the choices/options correctly.
Only answer if answering all ques...otherwise please don't. I am not able to post separately anymore. Please do kindly help, and do try to answer all four short answer questions. No extra explanations, and as clear and simple as possible. I am not able to post separately right now, and this is highly essential. Thank you so much! :-)
1. Explain why the transmission of a nerve impulse is faster along myelinated axons than unmyelinated axons, as simply as possible in one sentence?
2. The four biological levels of organization are as thus: tissue, organ systems, cells, and organs. Arrange these four levels in order from simplest to most complex.
3. Suppose that a person’s eyes and optic nerve are functioning normally, yet the individual cannot see. Provide a possible explanation (with three main points) for how this could occur.
4. When frightened, your sympathetic nervous system prepares you to run away from the danger or fight. In order to run faster, your skeletal muscles need a boost of energy. Identify three specific physiological changes that provide this extra energy to the muscles and explain each change.
Answers
The transmission of a nerve impulse is faster along myelinated axons than unmyelinated axons because the myelin sheath acts as an insulating layer.
From simplest to most complex, the four biological levels of organization are cells, tissues, organs, and organ systems. If a person's eyes and optic nerve are functioning normally, but they cannot see, it could be due to:
a) Damage or dysfunction in the visual cortex of the brain, where visual information is processed and interpreted. b) Psychological factors such as a visual processing disorder or conversion disorder, where the brain fails to perceive or interpret visual stimuli.
c) Other conditions affecting the visual pathway, such as optic neuritis, where inflammation of the optic nerve impairs the transmission of visual signals.
The sympathetic nervous system prepares the body to run or fight by facilitating several physiological changes to provide extra energy to the skeletal muscles:
a) Increased heart rate and cardiac output to deliver more oxygen and nutrients to the muscles. b) Dilation of blood vessels in the muscles to enhance blood flow and oxygen supply.
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What is an example of medicines whose molecular structure has been designed to interact with specific target molecules in living things?
Answers
Answer: G protein- coupled receptor
Explanation:
Drug target is when a native protein activity in the body is modified by a drug resulting in a desired therapeutic effect.
G protein is an example of target drug that has been deisgned to modified the affect of certain protein in the body to aid treatment.
The first thing is to Identify the biological origin of the disease and then the target that can be used to combat the Ailment.
What does oxygen poor blood deliver to the
lungs?
A. carbon dioxide
B. glucose
C. water
D. ATP
Answers
Answer:
A.carbon dioxide
Explanation:
oxygen poor blood means the blood is rich with Carbon dioxide
The oxygen poor blood delivers to the lungs carbon dioxide out of the body organs and cells. Thus, the correct option is A.
What is oxygen poor blood?The heart is divided into two separate pumping systems, which include the right side and the left side. The right side of the heart receives oxygen-poor blood that is deoxygenated blood from the veins and pumps it to the lungs, where the blood picks up oxygen gas from the alveoli and gets rid of carbon dioxide gas.
Deoxygenated blood has less oxygen or it is oxygen-poor and contains is carbon dioxide rich. The right heart pumps this deoxygenated blood to the lungs where it picks up additional oxygen gas.
As the blood travels through body, oxygen gas is used up, and the blood becomes oxygen poor or carbon dioxide rich. Oxygen-poor blood returns from the body to the heart by the superior vena cava and the inferior vena cava, the two main veins which bring blood back to the heart.
Therefore, the correct option is A.
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describe the effect of increasing the efferent radius on glomerular capillary pressure and filtration rate
Answers
An growth in efferent radius will lower each capillary stress and filtration rate. With an expanded radius, the blood might be capable of float quicker out of the glomerular and reduce filtration rate(much less urine is produced), and the stress will drop while the blood quantity is decreased.
An growth withinside the efferent arteriolar diameter (lower in resistance) reasons a lower withinside the glomerular capillary hydrostatic stress and a lower in GFR. A lower withinside the diameter of the efferent arteriole has the other effect.
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which of the following statements about descent with modification is true? which of the following statements about descent with modification is true? organisms that share a more recent common ancestor are likely to be more different from one another than are organisms that share a distant common ancestor. over time, evolution by natural selection in different environments causes organisms to accumulate differences from their ancestors. all similarities between organisms result from descent from a common ancestor. two species descended from a common ancestor that lived in the distant past will not share any characteristics. request answer
Answers
The true statement about descent with modification is: All similarities between organisms result from descent from a common ancestor.
There are various types of organisms classified based on their complexity and cellular structure. These include:
1. Prokaryotes: Single-celled organisms lacking a nucleus, such as bacteria and archaea.
2. Eukaryotes: Organisms with cells containing a nucleus, including plants, animals, fungi, and protists.
3. Multicellular Organisms: Consisting of multiple specialized cells working together, including plants, animals, or fungi.
4. Unicellular Organisms: Composed of a single cell, including bacteria, archaea, and some protists.
5. Autotrophs: Organisms capable of producing their own food, like plants through photosynthesis.
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