Answers
A lead to T transversion in the second nucleotide of codon 6 of the beta-globin gene causes sickle-cell anemia, hence option D substitution is the correct option.
What is sickle-cell anemia?The beta-globin gene makes hemoglobin S, which polymerizes in the deoxygenated state.
This causes physical distortion or sickling of erythrocytes, containing an A to T point mutation that is the source of the condition.
Therefore, sickle erythrocytes encourage hemolysis and vaso-occlusion, two of the disease's key symptoms, hence option D substitution is the correct option.
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Related Questions
The type of receptor associated with the joints, tendons, and other connective tissues are
1. cutaneous receptors.
2. visceroreceptors.
3. proprioceptors.
4. photoreceptors.
Answers
The type of receptor associated with the joints, tendons, and other connective tissues are proprioceptors. Therefore, option 3 is correct.
What are tissues ?A collection of cells with similar structures and functions is referred to as a tissue. The intercellular matrix, a nonliving substance, fills the spaces between the cells. There might be a lot of this in some tissues and not much in others.
They stand for a degree of cell differentiation and order in living things. The activities of tissues include respiration, digesting, and transportation. As a result, tissues are crucial for multicellular creatures.
Mechanoreceptors are sensory neurons or peripheral afferent that are found in the skin, muscles, tendons, ligaments, and joint capsular tissues.
Thus, option 3 is correct.
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An epithelial cell replicates 16 times before entering a state of quiescence. These replicate daughter cells are
A. replicated indefinitely.
B. further differentiated into specialized cells.
C. genetically the same as the parent cell.
D. phenotypically the same as the parent cell.
Answers
Answer: C. genetically the same as the parent cell.
Explanation:
Epithelial cells are cells that line the surface of organs and tissues in the body and are involved in functions such as protection, absorption, and secretion. When an epithelial cell replicates, it divides into two daughter cells, each of which contains a copy of the parent cell's genetic material.
Therefore, when an epithelial cell replicates 16 times, the resulting daughter cells are genetically the same as the parent cell. They contain the same genetic information as the parent cell and are not further differentiated into specialized cells. The daughter cells may be phenotypically the same as the parent cell, meaning that they have the same physical characteristics, but they are not replicated indefinitely. Eventually, the daughter cells may enter a state of quiescence, in which they are no longer actively dividing.
Which of the following would be most suited for some degree of human activity, such as selective logging? A. Biological reserves B. Buffer zones C. Core natural Areas D. National parks
Answers
Buffer zones would be most suited for some degree of human activity such as selective logging. The correct option for this question is BB.
Buffer zones are specifically designated regions intended to guard against damaging external pressures on delicate landscape sections (such as wetlands and animal reserves). To connect the buffered landscape sections, corridors are used.
A riparian buffer zone close to a congested road is an illustration of an ecological buffer zone. It not only lessens the amount of air, water, and road noise in the area, but it also gives organisms a place to grow and thrive.
A buffer zone is a neutral geographic area between two or more bodies of land, typically those of different nations. The purpose of a buffer zone can be to divide or link territories, depending on its kind.
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Which statement accurately reflects the order of relationship between humans and the other apes, going from most closely related to most distantly related? group of answer choices sister taxa with chimpanzees and bonobos, then gibbons, gorillas, and orangutans sister taxa with chimpanzees and gorillas, then bonobos, orangutans, and gibbons sister taxa with chimpanzees, then bonobos, gorillas, orangutans, and gibbons sister taxa with chimpanzees and bonobos, then gorillas, orangutans, and gibbons
Answers
Sister taxa with chimpanzees and bonobos, then gorillas, orangutans, and gibbons accurately reflects the order of relationship between humans and the other apes, going from most closely related to most distantly related.
Humans are primates, a diverse group of about 200 species. Our cousins are monkeys, lemurs, and apes, and we have all evolved from a common ancestor over the last 60 million years. Primates are genetically similar because they are related.
Since the chimp genome was sequenced in 2005, scientists have known that humans share approximately 99% of our DNA with chimps, making them our closest living relatives. Animals, like humans, have distinct personalities. Chimpanzees share the same five major personality traits as humans: extraversion, neuroticism, conscientiousness, openness, and agreeableness, as well as a distinct trait for dominance.
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if growth hormone is secreted into the blood in high amounts after the epiphyseal plates close, this will result in
Answers
if growth hormone is secreted into the blood in high amounts after the epiphyseal plates close,the result is acromegaly
Acromegaly develops if growth hormone is produced into the blood in large levels after the epiphyseal plates complete.
The anterior pituitary gland produces growth hormone, which is then released into the blood. In addition to producing growth hormone, the pituitary gland also makes other hormones with distinct purposes.
Children's growth is aided by growth hormone, which affects many different body components. Growth hormone does not increase height after the fusion of the epiphyses, the growth plates in the bones. Although it does not promote development in adults, it does assist in maintaining a healthy body composition and metabolism, including assisting in regulating blood sugar levels.
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Which of the following is NOT a cytopathic effect (CPE) of viruses? O formation of inclusion bodies O the formation of a syncytium O chromosomal changes in the host cell O All of the listed choices are possible cytopathic effects of viruses. Submit Request Answer
Answers
Correct option is D, All of the listed choices are possible cytopathic effects (CPE) of viruses.
What is meant by cytopathic effect (CPE)?Cytopathic effect (CPE), structural alterations brought on by viral infection in a host cell. CPE happens when the invading virus causes the host cell to lyse (dissolve), or when the cell dies without lysing because it is incapable of reproducing.
Cytopathic effects (CPE), or morphological abnormalities in cells brought on by viral infection, are referred to as cytopathogenic viruses. The type of virus, type of host cells, multiplicity of infection (MOI), and other parameters all affect how much observable harm viral infection causes to cells.
There are three ways to analyze images to evaluate cytopathic effects: destroying the cell monolayer, lowering the number of host cells, and altering the morphology of each individual cell.
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chimpanzees have a relatively low birth rate. they take good care of their young, and most chimps live a long life well into their post-reproductive years. the chimp survivorship curve would look like . group of answer choices a line that slopes gradually downward a line that drops steeply at first, then flattens out a line that slopes gradually upward a relatively flat line that drops steeply at the1
Answers
Chimpanzees have a relatively low birth rate and a distinct survivorship curve. The chimp survivorship curve slopes gradually downward, indicating that their mortality rate increases with age. The curve starts off with a high number of individuals, then gradually decreases over time as more and more individuals die.
The low birth rate, combined with the gradual decrease in the number of individuals as they age, indicates that chimpanzees take good care of their young and that most chimps live a long life well into their post-reproductive years. This is reflected in the gradual decrease in the number of individuals over the course of the curve, rather than a steep drop-off that could indicate that mortality is high in the early stages of life.
The survivorship curve of chimpanzees is in contrast to that of other species, such as humans, which have a relatively flat line that drops steeply at the end. This indicates that mortality rates are relatively low until the later stages of life, when mortality rates increase significantly.
In conclusion, the survivorship curve of chimpanzees reflects their low birth rate and their commitment to taking care of their young. This allows most chimps to live a long life well into their post-reproductive years, and the curve itself slopes gradually downward, indicating that their mortality rate increases with age.
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Can the addition of one little insect have a affect significant impact on a ecosystem?
Answers
Answer:
YES, DEFINITELY.
Explanation:
An ecosystem is a community or group of organisms that live and interact with each other in a particular environment. Especially in the context of agroecosystems, it is often better to think of insects as populations rather than individuals. Knowing the age distribution of pest populations can indicate the potential for crop damage. For example, when most streaky cucumber beetles are immature, they do little direct damage to the above-ground parts of the plant.
old-growth forests can be described by which of the following group of answer choices a clear forest floor free of dead wood or debris are considered good choices for tree farms or plantations have not been disturbed for several hundred years. provide a variety of ecological niches make up the majority of forest types across the globe have replenished soil through decay large number of snags
Answers
Old-growth forests can be described as forests that have not been significantly disturbed by humans in several hundred years. These forests are usually found in remote, undisturbed areas and are characterized by a wide variety of vegetation and ecological niches.
Old-growth forests contain a diverse array of species and provide essential habitat for animals and other organisms, including those that are threatened or endangered.
Old-growth forests differ from tree farms or plantations in that they contain a variety of vegetation and habitats, including areas with a clear forest floor, dead wood or debris, snags, downed logs, and other debris. This debris provides a variety of habitats for animals and other organisms, and is an important part of the forest's ecosystem. Tree farms and plantations, on the other hand, are managed forests with a single species of trees, and are not as diverse.
Old-growth forests are also important for replenishing soil nutrients and improving water quality. The decay of dead wood and other debris provides a source of organic matter and nutrients for the soil, which in turn helps to create a healthy, diverse ecosystem. This is especially important for areas that are prone to drought, erosion, and other environmental issues.
Despite the importance of old-growth forests, they are quickly being destroyed due to logging, mining, and other human activities. This is why it is important to protect these forests and ensure that they remain intact. By protecting these forests, we can help to ensure that they are able to provide essential habitats and resources for animals and other organisms, as well as helping to mitigate climate change, improve water quality, and provide a variety of ecological services.
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In the summer of 1988, the Yellowstone National Park region experienced one of the worst wildfires in the park’s history; approximately 36 percent of the national park was burned. Wildfires are common in this area. Many smaller fires have been recorded over time. Plants in the Yellowstone region have adapted to these conditions. A species of pine tree commonly found there only releases seeds from its cones when exposed to the intense heat of a fire. Other trees and shrubs, such as aspen, willow, and sagebrush, are also found in this area. When these trees burned, vast open spaces were left in the forest. The Yellowstone region is also home to many animals, including elk, bison, black bear, moose, deer, and birds, all of which were affected by the fire. After the drought and wildfire of 1988, the greater Yellowstone region experienced normal amounts of rainfall for the next 12 years. a. Construct an argument that tells how the wildfire of 1988 affected the populations of birds and animals in the Yellowstone region. Support your answer with evidence.
Answers
Answer:
Explanation:
The wildfire of 1988 in the Yellowstone National Park region likely had a significant impact on the populations of birds and animals in the area.
One possible effect is that the fire may have directly killed some individuals of these species. Wildfires can be deadly for animals, especially those that are unable to escape the flames or that become trapped in areas with limited resources. In the Yellowstone region, many animals, including elk, bison, black bear, moose, and deer, were likely affected by the fire in this way.
Additionally, the wildfire may have disrupted the habitats of these animals, making it difficult for them to find food and shelter. The fire destroyed much of the vegetation in the area, including trees and shrubs that provide important resources for animals. This could have led to a decline in the populations of some species, especially those that depend on these resources for survival.
Furthermore, the wildfire may have affected the populations of birds in the Yellowstone region by destroying their nesting sites and food sources. Many birds, such as woodpeckers and chickadees, rely on trees and shrubs for nesting and foraging. The loss of these habitats due to the fire could have had a negative impact on the populations of these birds.
Overall, the wildfire of 1988 likely had a significant impact on the populations of birds and animals in the Yellowstone region, both directly and indirectly. The evidence suggests that the fire may have caused direct mortality and habitat disruption, leading to declines in the populations of these species
label the middle and inner ear structures of the ear by clicking and dragging the labels to the correct location.
Answers
The middle and inner ear structures of the ear is attached.
How to illustrate the ear?The three smallest bones in your body are located in a box-shaped region called the middle ear, which is located behind the tympanic membrane (eardrum). The inner ear is located in a tiny opening in the temporal bones, which help form the sides of your skull, just beyond the middle ear.
The malleus, incus, and stirrup are three tiny bones that make up the middle ear (stapes). The eardrum separates your middle ear from your external ear, and the eustachian tube connects it to the back of your nose and throat.
The inner ear, also known as the hearing and balance system, is located next to the middle ear in the skull's bone. Two major sections make up the inner ear. The cochlea, which is responsible for hearing, and the semicircular canals, which are responsible for balance.
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When you go up into the mountains or fly high in an airplane, the air is
thinner and the pressure is lower. The air pressure at sea level at a
temperature of 59°F (15°C) is equal to one atmosphere (Atm), and this
is the baseline reading for determining relative pressure.
HOW DOES THIS FACT( SUB QUESTION) RELATE TO MY RESEARCH QUESTION WHICH IS
What effect does the amount of air pressure have on how far a soccer ball travels when kicked?
Answers
The fact that air pressure is lower at higher altitudes or in airplanes is relevant to your research question because it means that the amount of air pressure can affect how far a soccer ball travels when kicked. In general, the higher the air pressure, the more force the air exerts on the soccer ball, which can cause it to travel a greater distance. Conversely, the lower the air pressure, the less force the air exerts on the soccer ball, which can cause it to travel a shorter distance.
Therefore, if you were to conduct a study on how the amount of air pressure affects the distance a soccer ball travels when kicked, you would need to take into account the fact that air pressure is lower at higher altitudes or in airplanes. This could be done by measuring the air pressure at the location where the soccer ball is kicked, and comparing it to the baseline air pressure at sea level to determine the relative air pressure. You could then use this information to calculate the expected distance the soccer ball should travel based on the amount of air pressure present. This would help ensure that your results are accurate and can be compared to other studies on this topic.
FILL IN THE BLANK aerobic organisms require dioxygen (o2) to survive. in aerobic metabolism, electrons move from molecule to molecule, releasing energy at each step. in animals, the source of electrons is ______and they are finally released in the form of .
Answers
create a proton gradient that fuels the production of ATP The complete breakdown of glucose or other foods into CO2 and H2O is a component of aerobic metabolism.
Which species that are aerobic are examples?
Bacterial Aerobic Examples: Nocardia sp., Pseudomonas aeruginosa, E. Coli, Citrobacter, Klebsiella, Proteus, Salmonella, Achromobacter, Mycobacterium tuberculosis, and other bacteria are examples of aerobic bacteria.
Give examples of aerobic bacteria:
Bacterial Aerobic
With the aid of enzymes, they are able to detoxify oxygen. The last electron acceptor is oxygen found in molecules. The final electron acceptor yields water. They are visible on the medium's surface when it is a liquid. Example: Bacillus and Nocardia.
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Dachshund dogs have been selectively bred to have traits that are ideal for hunting. Which best explains
how these traits developed?
A. The traits came from large differences in a single generation that occurred within a few years.
B. The traits came from new generations' need to obtain better hunting skills to survive in the wild.
C. The traits came from small differences in multiple generations that accumulated over many years.
D. The traits came from new generations accumulating more genetic information than ancestor dogs.
Answers
Answer:
Im not sure but i think the answer should be B
(please mark as brainliest!)
Which of the following statements is true about bryophytes?
a. They have specialized tissues that conduct water
b. They are a group of plants made up of algae and mosses.
c. They are not highly dependent on water
d. They draw up water by osmosis.
Explain
Answers
Answer:
All of the above statements are true about bryophytes.
Explanation:
Bryophytes are a group of plants made up of algae and mosses, and they have specialized tissues that conduct water. Additionally, they are not highly dependent on water and draw up water by osmosis.
which statement accurately describes short term environmental changes?
Answers
Answer:Short-term environmental changes is described as the change in the environment that occurs quickly and affect the organism in the environment
Explanation:
Accessory Digestive Organs 6. Use the key terms to identify each tooth area described below. Key: 1. visible portion of the tooth 2. material covering the tooth root 3. hardest substance in the body 4. attaches the tooth to bone and surrounding alveolar structures 5. portion of the tooth embedded in bone 6. forms the major portion of tooth structure; similar to bone 7. produces the dentin 8. site of blood vessels, nerves, and lymphatics 9. portion of the tooth covered with enamel cementum crown dentin enamel gingiva periodontal ligame pulp root
Answers
The alimentary canal, often known as the digestive system, is the body's mechanism for ingesting food and expelling solid waste. The mouth, pharynx, oesophagus, stomach, small intestine, large intestine, and anus are all parts of the gastrointestinal system.
The tongue and mouth's mucous membranes contain several tiny salivary glands. Even while you sleep, these tiny exocrine glands are continuously secreting saliva, either directly into the mouth cavity or inadvertently through channels.
The submandibular ducts allow the submandibular glands, located on the floor of the mouth, to release saliva into the mouth.
The lesser sublingual ducts are used by the sublingual glands, which are located below the tongue, to release saliva into the oral cavity.
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Complete the Concept Map to describe the role of surface membrane barriers, phagocytes, natural killer cells, and fever in innate body defense, and describe the lymphocytes and antibodies involved in the adaptive defenses.
Drag the appropriate labels to their respective targets.
---Top tier answers: (invading pathogens)
---Mid tier answers:
(may encounter surface barriers of the body that form the: first line of defense)
(may encounter internal, fast-responding, and nonspecific cells and chemicals that form the: second line of defense)
(may encounter antigen-specific and adaptive cells and chemicals that form the: third line of defense)
---Last tier answers:
(is/are composed of: mucous membranes)
(is/are composed of: phagocytes and natural killer cells
may produce an immune response that induces: inflammation of fever)
(is/are composed of: B and T lymphocytes
may produce an immune response that induces: antibodies)
Answers
Our immune system protects us from foreign and damaging organisms through our antigens.
1. Top tier answers:invading pathogens2. Mid-tier answers:a. may encounter surface barriers of the body that form the: first line of defenceb. may encounter internal, fast-responding, and nonspecific cells and chemicals that form the: second line of defencec. may encounter antigen-specific and adaptive cells and chemicals that form the: third line of defence3. Last tier answers:a. is/are composed of: mucous membranesb. is/are composed of: phagocytes and natural killer cellsc. may produce an immune response that induces: inflammation of feverd. is/are composed of: B and T lymphocytese. may produce an immune response that induces: antibodiesTo learn more about Blood and Immune System:
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Which of the following biological properties of the smallpox virus influenced its successful eradication?
1. Smallpox infects only humans
2. The live vaccine is administered orally
3. The smallpox virus evolved slowly.
Answers
Option 1. Smallpox infects only humans, Smallpox is a contagious disease caused by the variola virus, which only infects humans. Because there was no treatment for smallpox, the only option was to let the infection run its course.
The characteristic bumps filled with thick fluid and a depression or dimple in the centre. Smallpox was a contagious disease caused by one of two virus strains, Variola major or Variola minor. Variola virus (VARV) is an orthopoxvirus.
Smallpox was a contagious disease caused by one of two virus strains, Variola major or Variola minor. Variola virus (VARV) is an orthopoxvirus. The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) declared the disease to be eradicated globally in 1980.
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Members of the group A streptococci (GAS) cause all of the following EXCEPT:epiglottitis.rheumatic fever.pharyngitis.strep throat.scarlet fever.
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Members of the group A streptococci (GAS) cause all of the following except epiglottitis.
What is epiglottitis?Epiglottitis is described as a potentially life-threatening condition that occurs when the tissue protecting the windpipe becomes inflamed.
Streptococci are known to be a large group of gram-positive, nonmotile, non–spore-forming cocci about 0.5-1.2µm in size that often grow in pairs or chains.
Members of the group A streptococci (GAS) cause rheumatic fever.
Members of the group A streptococci (GAS) cause pharyngitis.
Members of the group A streptococci (GAS) cause strep throat.
Members of the group A streptococci (GAS) cause scarlet fever.
Members of the group A streptococci (GAS) do not cause epiglottitis. Instead epiglottitis is caused by infection with Haemophilus influenzae type b (Hib) bacteria.
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Which two sets of changes are most likely to cause a population to remain stable? A. Increased births and decreased immigration • B. Increased deaths and decreased immigration C. Increased births and increased deaths • D. Increased emigration and decreased births
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Rates of immigration, emigration, immigration, and death. Births plus immigration minus deaths plus emigration equals population increase. Over time, a population that is balanced will often experience stable increase.
What are the two causes of the population's continued growth?The predicted population expansion is due in part to factors like an increase in young, unmarried mothers, high fertility rates for specific ethnic groups, and a lack of access to contraception and sexual education.
What fosters population stability?A population will stabilize if its age-specific fertility and mortality rates remain consistent over an extended period of time. As a result, the population will expand at a consistent rate and keep its age distribution constant.
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epidemics related to bacterial infection of the digestive system are typically caused bya. unpasteurized milk. b. biological vectors. c. contaminated food and water. d. the respiratory route.e. exposure to contaminated soil.
Answers
Answer:
c. contaminated food and water
Explanation:
Bacteria that has contaminated with food or toxins causing diarrhoea, nausea and abdominal pain.
In a grassland community, the zebra eats the grass, the lions eat the zebra and the vultures feed on the carcasses of dead zebra and lions. In this example, the zebras are: a. Primary consumers b. Primary producers c. Secondary consumers d. Top predators
Answers
The zebras would be considered as the primary consumers.
What are primary consumers?
Primary consumers constitute the second trophic level. They are also known as herbivores. They eat the primary producers—plants or algae—and eat nothing else. For example, a grasshopper that resides in the Everglades will be considered a primary consumer.
The organisms that eat the primary consumers are called secondary consumers, i.e., carnivores. Examples would be lions, etc. Omnivores, those who eat both plants and animals, are also secondary consumers.
Therefore, in this grassland community, the zebras would be considered as the primary consumers.
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Which term refers to the threshold where enough members of a population have developed immune memory against a pathogen that infection transmission is dramatically restricted? Escape variant Hygiene hypothesis Attenuated virus Herd immunity
Answers
Here, the word Herd Immunity is the point at which a population has formed immunological memory against a disease to the extent that infection transmission is severely constrained.
When a sizable fraction of a population (the herd) develops immunity to a disease, herd immunity occurs. When herd immunity is reached, the likelihood of disease transmission from one person to another decreases. As a result, everyone in the community is shielded from harm, not just the immune.
For instance, polio and smallpox 5 were formerly fairly prevalent in the United States, but thanks to mass immunization, they are now exceedingly uncommon. In actuality, polio has not existed in the United States since 1979. Herd immunity has been established thanks to the vaccines against these diseases.
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the technique that injects oxygen and nutrients into a contaminated aquifer in order to foster the growth of bacteria that can break down contaminant molecules is called group of answer choices effluent. buffering. reactive barrier injection. bioremediation.
Answers
Biosparging is the process of groundwater remediation as oxygen, and possible nutrients, is injected. When oxygen is injected, indigenous bacteria are stimulated to increase rate of degradation. However, biosparging focuses on saturated contaminated zones, specifically related to ground water remediation.
Any procedure where a living or dead biological system (usually bacteria, microalgae, fungus, and plants) is used to remove environmental contaminants from air, water, soil, flue gasses, industrial effluents, etc., in natural or artificial settings is referred to as bioremediation. The use of biological resources in the treatment of contaminated environments has gained popularity due to organisms' inherent capacity to adsorb, collect, and degrade common and developing contaminants. Bioremediation is scalable, affordable, sustainable, and environmentally friendly in contrast to traditional physiochemical treatment approaches, which have significant limitations. The majority of bioremediation is unintentional and involves native organisms. Research on bioremediation has a strong emphasis on accelerating the process by introducing organisms to a polluted site or providing nutrients to encourage the growth of organisms.
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when taken up by a cell, which of the following molecules binds to a repressor so that the repressor no longer binds to an operator?
Answers
the substances that bind to repressors to prevent them from binding to their operators
What does a repressor look like?
The homocysteine repressor MetJ is an illustration of a repressor protein. MetJ utilizes the ribbon-helix-helix (RHH) motif to bind with DNA bases. MetJ is a homodimer made of two monomers, each of which contributes an alpha helix and a beta ribbon.
What triggers the repressor to work?
An amino acid binds with the met repressor and activates it when it is present. The repressor's presence on the DNA strand prevents RNA production. The repressor separates from the operator when the amino acid is absent, and RNA production continues
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1. Place the levels of human organization on the lines from smallest to largest.
1_____ 2______ 3_______ 4_______ 5______
Place the following examples of levels of organization in the correct order from smallest to largest
Tiger ,Liver cell, Digestive system, Heart Muscle, tissue
1_____2______ 3_______ 4______ 5______
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levels of human organization on the lines from smallest to largest is Cells, tissues ,organs ,organ systems and organism .
In general ,Cells are grouped into tissues, tissues are grouped into organs, different organs are grouped into organ systems and many organ systems come together to form complex organisms like human beings.
Thus, Life processes inside the human body are governed at several levels of structural organization. These structure include the chemical, cellular, tissue, organ, organ system, and the organism level. Hence, Higher levels of organization are built from lower levels.
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a chromosome in which the linear order of a group of genes is the reverse of the normal order has a(n) group of answer choices
Answers
A chromosome in which a group of genes are arranged linearly in the opposite direction from how they typically are has a (inversion)
A chromosomal inversion is a rearrangement in which a portion of a chromosome flips over while remaining in the same place. When a chromosome experiences two breaks within the chromosomal arm, the segment between the breaks inserts itself into the same chromosomal arm in the opposite direction.
Inversions frequently break at repeating nucleotide regions, and these sections may be exploited in subsequent inversions. Chromosomal segments can range in size from 100 kilobases to 100 megabases in inversions.
The number of genes that an inversion can capture can be anywhere from a few to hundreds. Ectopic recombination, chromosomal breakage and repair, or non-homologous end joining are all possible ways for inversions to occur.
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QUESTION -
A chromosome in which the linear order of a group of genes is the reverse of the normal order has a(n) group of answer choices:-
a) duplication
b) deletion
c) translocation
d) inversion.
the graphs below show the results of an experiment you ran in which you added each peptide to a culture of the trap- mutant of s. aureus and a culture of the agr- mutant of s. aureus. use this data to determine which quorum-sensing pathway each peptide inhibits.
Answers
blocks TRAP pathway:peptide 2\
blocks agr pathway:peptide 1, peptide 3
blocks both pathways:n/a
Exercising mutants that are now hindered for one of the pathways is a straightforward system for figuring out which pathway every peptide follows up on. Peptides 1 and 3 both inhibit poison stashing in the TRAP- mutant, which has a working agr pathway. thus, you know that peptides 1 and 3 block the agr pathway.
By relative explanation, peptide 2 inhibits poison stashing in the agr- mutant, which has a performing TRAP pathway. thus, you know that peptide 2 blocks the TRAP pathway.
Since you have distinguished important in vitro impediments of TRAP and agr maturity detecting pathways, you choose to test their handiness in live towel exercising and in vivo mouse model.
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Can malaria be treated with antibiotics? Explain your answer.
Answers
No, malaria cannot be treated with antibiotics. Malaria is caused by parasites of the genus Plasmodium, which are transmitted to humans through the bites of infected mosquitoes. Antibiotics are effective against bacterial infections, but they do not have any effect on parasites like Plasmodium. Instead, malaria is treated with drugs that are specifically designed to target the parasites and kill them, such as antimalarial medications like chloroquine and artemisinin. It is important to use the correct treatment for malaria, as using antibiotics instead of antimalarial drugs can lead to the development of drug-resistant strains of the parasites.