29.
Genomics is the field dedicated to the study of: aDNA on a cellular
scale. b. protein expression. . RNA synthesis and function . d.
viral genomes . e . DNA- sequencing methods .
Answers
Genomics is the field dedicated to the study of DNA- sequencing methods. Genomics refers to the study of an organism's complete genome (DNA), including all of its genes and noncoding sequences. This field of study allows scientists to gain insight into an organism's complete genetic makeup and how its genes work together to affect traits and behaviors.
There are various applications of genomics, including understanding the role of genes in disease, improving crop yield and resistance, and identifying evolutionary relationships between species.DNA sequencing is a method used to determine the order of nucleotides in a DNA molecule. This information can then be used to identify genetic variations and mutations, understand gene function, and develop new treatments for genetic disorders. Therefore, option (e) DNA- sequencing methods is the correct answer.
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Related Questions
Which of the following statements about meiosis and mitosis is true?
a) In meiosis II and mitosis, a diploid cell divides.
b) Meiosis II is similar to mitosis in that sister chromatids of each chromosome separate.
c) In mitosis and meiosis I, homologous chromosomes move independently of each other.
d) Each daughter cell produced during meiosis and mitosis is genetically identical to the parent cell.
Answers
Sister chromatids of each chromosome separate during meiosis II, which is identical to mitosis in this regard.
The ideal answer is B.
Which of the following statements concerning meiosis and mitosis is true?What is the correct way to describe meiosis and mitosis? While the byproducts of mitosis are all the same, those of meiosis can vary from one another (except for rare mutations).
How do meiosis and mitosis differ from one another?Meiosis creates cells that are genetically distinct from the parent and have half the amount of DNA as mitosis, which creates two genetically identical "daughter" cells from a single "parent" cell. The majority of cells in the body constantly undergo mitosis, while some do it more frequently than others.
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The diagram below shows the movement of energy in the water cycle. Diagram showing the movement of energy in the water cycle. There are three boxes and six arrows that appear in the following order: box labeled '?,' one arrow pointing to a box labeled 'Land,' arrow pointing to a box labeled 'Ocean,' and arrow leading back to the box labeled '?.' As well, there are two arrows pointing from the 'Land' box back to the '?' box, and one arrow pointing from the '?' box back to the 'Ocean' box.
Which term best fits in the empty cell of the diagram?
water
vapor
evaporation
transpiration
atmosphere
Answers
Answer:
Atmosphere
Explanation:
The term that fits in the empty cell of the diagram is atmosphere. The atmosphere is the layer of gases that surrounds the Earth. It is the medium through which water vapor moves from the cloud to the land, to the ocean, and back to the cloud.
The other terms in the answer choices are not as accurate.
Water vapor is the gaseous form of water, but it is not a specific stage in the water cycle. Evaporation is the process by which water changes from a liquid to a gas, but it does not explain the movement of water vapor from the cloud to the atmosphere. Transpiration is the process by which plants release water vapor into the atmosphere, but it is a much smaller contributor to the water cycle than evaporation.Therefore, the term that best fits in the empty cell of the diagram is atmosphere.
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How did Sih, Krupa, and Travers (1990) examine the effect of predation risk on the mating behavior of water striders? Select one:
a. They compared the activity of individuals both with and without a predator present
b. They compared the activity of individuals in populations that differed in their level of predation risk
c. They compared the activity of individuals before and after the introduction of a predator
d. They compared individuals’ activity before and after adding a chemical alarm substance to the water
Answers
The correct option is C; They compared the activity of individuals before and after the introduction of a predator . in this experiment sunfish is used as predator. So in presence of sunfish the mating proportion decrease .
Predators are animals that hunt down and kill other animals for food. Many different species of insects, spiders, mollusks, fish, amphibians, reptiles, birds, and mammals are examples of invasive introduced predators. Predators have a large impact on their ecosystems.
They influence the structure of ecosystems by dispersing rich nutrients and seeds from foraging. They also regulate lower species in the food chain by controlling the distribution, abundance, and diversity of their prey, a phenomenon known as trophic cascades.
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A phenotypically normal woman is heterozygous for the recessive Mendelian allele causing phenylketonuria, a disease caused by the inability to process phenylalanine in food. She is also heterozygous for a recessive X-linked allele causing red–green colorblindness. What percentage of her eggs will carry the dominant allele that allows normal processing of phenylalanine and the X-linked recessive allele that causes colorblindness? the answer is 25 %. Could you explain why??
Answers
The percentage of her eggs that will carry the dominant allele that allows normal processing of phenylalanine and the X-linked recessive allele that causes color blindness is 25 %. This is because both alleles are present on different chromosomes, and the inheritance of one does not influence the inheritance of the other.
Mendelian inheritance is the concept of genetic inheritance that results from the segregation of genes during meiosis and the independent assortment of genes in different chromosomes. It was first described by Gregor Mendel in his experiments with pea plants. Mendelian traits are inherited in a predictable manner, following specific rules. Dominant traits are expressed when one copy of the gene is present, while recessive traits require both copies to be present for expression.
The woman in the question is heterozygous for two different genes: a recessive allele causing phenylketonuria, and a recessive allele causing red-green color blindness. These alleles are present on different chromosomes, and so the inheritance of one does not influence the inheritance of the other. Therefore, the probability of passing on the dominant allele for normal processing of phenylalanine is 50%, as it is dominant and only one allele is needed for expression.
Similarly, the probability of passing on the recessive X-linked allele causing color blindness is also 50%, as the woman is heterozygous for the allele. The probability of both alleles being passed on together is the product of their probabilities, which is 50% × 50% = 25%. Therefore, 25% of her eggs will carry the dominant allele for normal processing of phenylalanine and the X-linked recessive allele causing color blindness.
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the fact that frogs can live out of water and fish cannot tells you that the frog has solved ther problem of
Answers
The fact that frogs can't live without water, and fish can't live without water, doesn't mean frogs have solved the problem of gills that breathe with mucous glands in moist skin.
When the frogs opens its mouth, water flows through the gills, and the blood in the capillaries absorbs the oxygen dissolved in the water. Then, just like humans, blood flows through the fish's body to carry oxygen. Water flows from the mouth to the gills. Oxygen is absorbed from water through the lamellae. The mouth closes, the gill cover opens, and water is forced out of the body along with carbon dioxide as a by-product (see photo). Aquatic animals such as mollusks, crustaceans, insects, fish, and amphibians are known to have 'gills' or gill-like respiratory organs. Not all aquatic animals breathe with gills. There are aquatic animals that have lungs as their respiratory organs & mucous glands.
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Why is respect for human sexuality important?
Answers
Answer:
recognizing others' diversity fosters an environment of acceptance and support that can aid everyone in developing excellent sexual health.
The human body consists of four main types of tissue. These tissues are described in the chart below.
Answers
Answer:
B
Explanation:
The four main cell groups in the body are different shapes and sizes to fit the unique job they are made to do
ex. nerve cells are smaller and longer compared to epithelial cells
Fossilized evidence of Earth’s first forms of life would consist of?
Answers
Answer:
prokaryotes from the precambrian
Explanation:
What do I put in the chart? Picture attached
Answers
Answer:
The woman's genotype - Bb
The man's genotype - bb
Chances of having a child with blue eyes - 50%
Chances of having a child with brown eyes - 50%
Explanation:
Many of our traits are determined by our genetics. We inherit genetic information from both of our parents. From each of them, we get one copy of a gene that determines a certain trait. These gene copies are called alleles.
The dominant allele is the one that masks the effect of the other type of allele, called the recessive allele. This means that a person needs to have only one dominant allele in order for its effect to be expressed. In order for the effect of the recessive allele to be expressed, the person needs to have two recessive alleles.
If a man has blue eyes, which is a recessive trait, he needs to have two recessive alleles (bb). This is why the genotype of the man is bb.
If his child has blue eyes, this means that its genotype is bb as well. The mother's eyes are brown, which means that she needs to have at least one recessive allele. Based on this, we can conclude that her genotype is Bb.
Since the mother has one dominant allele, this means that her children could have brown eyes as well. This is what the Punnett square would look like:
B b
b Bb bb
b Bb bb
Two out of four children would have brown eyes, and the other two would have blue eyes. This means that their chances of them having a child with blue eyes are 50%. The chances of them having a child with brown eyes are the same.
What is the difference between a 'placental mammal' and a 'marsupial mammal?
Answers
Explanation:
A placental mammal is a mammal that give birth to fully developed live young . A marsupial mammal is a mammal that give birth to live young
What can be the bases for the division of a country
in federal structure?Give short introduction to each of them.
Answers
Answer:
he topography of Nepal is quiet diverse. We have himalayas, hills and the terai. So topography, ethinicity, resources,language had been the bases of division of a country of the federal sturucture.
Explanation:
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15
Approximately how many degrees does Earth rotate on its axis over this five-hour period?
15°
45
75"
90°
A
Eliminator
8
Line Reader
Reference
CA
Period
Answers
Over a five-hour period, Earth rotates approximately 75 degrees on its axis. This calculation is based on the proportion that relates the time taken for Earth's complete rotation (24 hours) to the corresponding degrees of rotation (360 degrees).
The rotation of the Earth on its axis takes approximately 24 hours to complete one full rotation, which equals 360 degrees. To calculate how many degrees Earth rotates over a specific time period, we can use a simple proportion.
In this case, we have a time period of 5 hours. We can set up the proportion:
5 hours is to x degrees as 24 hours is to 360 degrees.
Using cross-multiplication, we can solve for x:
5 hours * 360 degrees = 24 hours * x degrees
1800 degrees = 24x
Dividing both sides by 24:
1800 degrees / 24 = x degrees
75 degrees = x
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A student has several pet hermit crabs. He wants to determine how the hermit crabs choose which shell they inhabit. He thinks that the crabs choose their shells based on the shells' color and wants to design an experiment to test this. Which of these steps should the student include in his experiment? A. He should add shells that are different colors, but the same size and type, to the tank and observe which shells the hermit crabs choose. B. He should observe hermit crabs in their natural environments and determine how shells help protect them from predators. C. He should place the hermit crabs in different tanks and change the temperatures in the tanks to see if it effects their shell selection. D. He should gather shells that are different sizes and different colors, place them in the tank with the hermit crabs, then observe which shells they choose. Reset Next Question
Answers
Durning an experiment you need to keep everything the same but only change the certain things based on your theory.
Such as how the student wanted to see if the color attracted the crab. If he had changed the size and type of the shell then the crab would have chosen the bigger one as they tend to grow into larger shells.
Water is always _________________ around the earth.
Answers
Answer:
Floating
Explanation:
how do veins differ arteries and capilleries in their structure and function
Answers
Hello,
Vascular smooth muscle (VSM), which is present in ALL arteries regardless of size, has a different role depending on the kind of artery. Similar to a stretched rubber band returning to its original size, a major conduit artery like the aorta has a lot of elastic tissue inside of it, which enables it to expand during systole and then elastically recoil to shrink back to its original diameter during diastole. This function smooths out the difference between systolic and diastolic pressures during each cardiac cycle, preventing systemic blood pressure from experiencing as much variation in pressure as the Because of this, we refer to the major arteies as acting as a pressure reservoir.
The VSM becomes increasingly significant as arteries narrow, and by the time you reach the arterioles, the so-called resistance vessels, you have VSM capable of causing significant changes in artery width. This is what regulates blood pressure and blood flow to certain tissues. Both the autonomic nervous system and regional cues from the tissue being fed play a complicated role in controlling artery VSM.
Capillaries are just a single layer of endothelial cells backed by some basement membrane; they lack a VSM and elastic tissue. Due to their extreme thinness, they serve their primary purpose as exchange vessels, which allows for the quick exchange of nutrients, wastes, and gases (O2, CO2). functioning as a pressure reservoir.
Veins serve as a large volume reservoir for the cardiovascular system because they have less elastic tissue than arteries and are more compliant (they stretch easier). In fact, the venous system contains around 70% of all blood volume at any given time. Veins are therefore referred to as "capacitance vessels" for this reason. Veins also have autonomic-controlled VSM that can contract, sending more blood back to the heart so that more can be put into the arterial system—for example, during emergency situations like major blood loss or during exercise. This volume reservoir can be used as needed. Return of blood to the heart (so-called venous return) is also helped by veins' compliance--as muscles contract, they can easily squeeze the veins, to propel blood back to the heart, and their one-way valves ensure that the flow goes one way.
Thanks,
Eddie
Answer:
Explanation:
Arteries transport blood away from the heart. Veins return blood back toward the heart. Capillaries surround body cells and tissues to deliver and absorb oxygen, nutrients, and other substances. The capillaries also connect the branches of arteries and to the branches of veins.
What occurs when there is a higher concentration of molecules on one side of a membrane and the molecules flow to the other side to balance the concentration
Fusion
ОООО
Simulus
Conversion
Answers
Answer:
Diffusion
Explanation:
The concept of diffusion states that molecules like to travel from areas of high concentration to low concentration.
Let's think about an example. Let's say you are having a party at your house and in one room there is 100 people and in the other room connected to it, there is only 10 people. What do you think is going to happen as time passes? Right, people are going to move to the room where there is less people so as to equally disperse themselves across the area. The same thing happens within our body with ions and gases.
Ions can diffuse into or out of cells based off their concentration gradients. If there are too many ions on one side, they will simply move to the other side. There are different types of diffusion. Passive diffusion and facilitated diffusion, but those are for a different conversation.
How does natural selection lead to an increase or decreased in heritable traits over time in a population?
Answers
Answer:
Not a copy and paste answer
Explanation:
When resources are limited in an habitat, organisms with heritable traits favor more survival and reproduction will tend to leave more offspring then other organisms only because of their heritable traits.
gary and diane are preparing a garden. As part of their work, they must prepare the soil and plant 100 flowers. it would take diane 10 hours to prepare the soul and 12 hours for planting.
1. how much time would it take the two to complete the garden if they divide the soil prepration equally and the planting equally?
2. how much time would it take the two to complete the garden if they use compararive advantage and specialize in soil preparation or planting?
Answers
1. Time taken by Gary and Diane to complete the garden if they divide the soil preparation equally and the planting equally is 32 hours.
2. Time taken by the two to complete the garden if they use comparative advantage and specialize in soil preparation or planting is 34 hours.
1. To calculate the time taken by Gary and Diane to complete the garden, let's write the time taken by Gary to prepare the soil to be x hours. So, the time taken by Diane to prepare the soil will also be x hours. As given, Diane can plant 100 flowers in 12 hours. Thus, Diane can plant 25 flowers in 3 hours. Therefore, the time is taken by Diane to plant 100 flowers
= (100/25) × 3 = 12 hours.
Now, the time taken by Gary to plant 100 flowers will also be 12 hours. Therefore,
total time taken by both Gary and Diane to complete the garden = Time taken for soil preparation + Time taken for planting
= 2x + 12 hours = (2 × 10) + 12
= 32 hours
2. To calculate the time taken by the two to complete the garden if they use comparative advantage and specialize in soil preparation or planting, we know that Diane can prepare the soil in 10 hours while Gary can prepare the soil in 20 hours. Therefore, Diane should prepare the soil. Now, the time is taken by Diane to prepare the soil = 10 hours. Diane can plant 100 flowers in 12 hours while Gary can plant 100 flowers in 24 hours. Therefore, Gary should plant the flowers.
Now, the time is taken Gary to plant the flowers = 24 hours. Therefore,
total time taken by both Gary and Diane to complete the garden = Time taken for soil preparation + Time taken for planting
= 10 + 24
= 34 hours
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How do ions help keep your heart beating? Responses distributing electrical charges distributing electrical charges easily transporting messages easily transporting messages dissolving in your blood stream dissolving in your blood stream readily bonding with other atoms
Answers
According to the research, the correct option is distributing electrical charges. Ions help to keep the heart beating by distributing electrical charges.
How do ions keep the heart beating?Ions are a group of atoms that gains electrical charge and the direction of movement of these ions (in or out) influences the electrical activity in the human heart by sodium-potassium pump.
In this sense, the sequence of contractions of the heart is produced by depolarization distributing electrical charges, that is, the inversion of the electrical polarity of the membrane due to the passage of active ions.
Therefore, we can conclude that cardiac activity is mediated by the passage of ions that distribute electrical charges between the interior and exterior of heart cells.
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What adaptation allows the Artic fox to survive in its environment?
Answers
Answer: Arctic foxes have several adaptations that allow them to survive. Their round, compact bodies minimize surface area that is exposed to the cold air. Their muzzle, ears, and legs are short, which also conserves heat.
Explanation:
The physiologic effects of ______ include blood vessel constriction and decreased cellular metabolism.
Answers
Answer:
The physiologic effects of cryotherapy include blood vessel constriction and decreased cellular metabolism.
Explanation:
Cryotherapy is a treatment that uses cold to aid in the process of injury healing. One of the effects of low temperatures is vasoconstriction. As a result, the pressure increases, modifying the blood's flow and aiding in the healing process since blood circulation increases. The low temperatures also decrease cellular metabolism reducing the amount of oxygen that the cell needs. As a consequence, the cells have a higher chance of survival after the injury.
charles darwin studied the relationship between the adrenal medulla and emotions. which chemical, produced in the adrenal medulla, causes the fight or flight response?
Answers
Charles Darwin investigated the connection between the adrenal medulla and emotions and discovered that the Epinephrine rationale chemical.
Adrenal medulla, induces the fight-or-flight response. The Latin name for this region of the adrenal gland is medulla glandule suprarenalis. The adrenal cortex encircles it, which is situated in the gland's Centre. It is made up of chromaffin cells, which secrete catecholamines like epinephrine, and is located inside the adrenal gland known as Adrenal medulla. Cardiac arrest, anaphylaxis, and superficial bleeding are just a few of the ailments that epinephrine is used to treat. Although it has been utilized in the past to treat bronchospasm and low blood sugar, more recent therapies that are selective for epinephrine type 2—like salbutamol—are now recommended.
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What is one way an organism could use auditory communication to help it survive?
Responses
marking territory
marking territory
greeting another member of the population
greeting another member of the population
calling for a mate
calling for a mate
calls to others to warn of a pred
Answers
Auditory communication is the use of sounds to send and receive information. Auditory communication is particularly important in birds. They use sounds to communicate warnings, attract mates, signal other birds to flock together, and for other important purposes. Some of the sounds made by birds are called birdsongs.
I guess all the options are correct
Explain one hypothesis that explains why the Earth’s magnetic field periodically reverses.
Answers
Answer: Since the forces that generate our magnetic field are constantly changing, the field itself is also in continual flux, its strength waxing and waning over time.
Explanation: This causes the location of Earth's magnetic north and south poles to gradually shift, and to even completely flip locations every 300,000 years or so.
A population of 40 killer whales lives in a bay that measures 2000 square miles. What is the population density of killer whales?
Answers
Answer:
.02
Explanation:
When finding population density, divide the amount of people, animals or things in the region by the total square miles. 40/2000 is .02.
A population is the size of the group of individuals residing at a place. A population of 40 killer whales has a population density of 0.02.
What is population density?Population density is the individual's concentration of a specific species at a particular geographical location. It allows the establishment of the ecosystem and health.
Given,
Number of individulas = 40
Size of the area = 2000
Density = Number of individuals ÷ Size of the area
= 40 ÷ 2000
= 0.02
Therefore, 0.02 is the population density of killer whales.
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Where are the Buccinator and superior pharyngeal constrictor muscles attached to each other?
Answers
The buccinator muscle and superior pharyngeal constrictor muscle are attached to each other at the posterior pharyngeal wall. Together, these muscles work to aid in the process of swallowing.
The buccinator and superior pharyngeal constrictor muscles are not directly attached to each other, as they serve different functions and are located in different areas of the head and neck.
The buccinator muscle is found in the cheek and is a part of the facial muscles. It helps in moving food during chewing and assists in the act of blowing.
The buccinator muscle is a thin, flat muscle located in the cheek, while the superior pharyngeal constrictor muscle is one of the three pharyngeal muscles located in the pharynx.
The superior pharyngeal constrictor muscle is a pharyngeal muscle located in the neck. Its primary function is to help in the swallowing process by constricting the pharynx.
Although they are not directly attached, both muscles work together to facilitate the process of chewing and swallowing food.
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(k) During biological N removal, what happens in the anoxic zone? i) NOx generation ii) High in NOx iii) Converting NOx to N2 iv) No additional organic addition (1) Which EPA requirement should be fulfilled to apply biosolids to land without further pathogen regulation? i) Class A requirement ii) Class B requirement iii) 1" biosolids requirement iv) Class 1 requirement (m) Which is more acutely toxic? i) LD50 = 5 mg/kg BW ii) LD50 = 1000 mg/kg BW (n) Under what circumstances can a registered engineer sign and seal plans or documents he/she did not prepare? i) Registered engineers can coordinate ii) Under no circumstances. projects that include segments that they are not competent in if a qualified registered engineer signs and scals plans or documents for those segments of the project iii) If the plans or documents were prepared iv) When practicing in a state different than by someone under the registered engineer's the one in which the engineer is registered. direct supervision and the registered engineer is an expert in the subject matter.
Answers
osmotic shock was inflicted on plant 6 using a highly concentrated solution of mannitol, a natural sugar commonly used to mimic drought stress in vascular plants. fifteen minutes following the osmotic shock to plant 6, researchers measured the width of stomatal openings in leaves from all the plants. a control experiment was also done in which water was added to plant 6 instead of mannitol. part a - reading the bar graph how do the widths of the stomatal openings of plants 6-10 compare with those of the other plants after plant 6 was osmotically shocked? how do the widths of the stomatal openings of plants 6-10 compare with those of the other plants after plant 6 was osmotically shocked? the stomatal openings of plants 6-8 are smaller than those of the other plants; those of plants 9 and 10 are larger. the stomatal openings of plants 6-8 are larger than those of the other plants; those of plants 9 and 10 are intermediate in size. plants 6-10 have stomatal openings that are about the same size as those of the other plants. the stomatal openings of plants 6-8 are smaller than those of the other plants; those of plants 9 and 10 are intermediate in size.
Answers
The bar graph shows the widths of stomatal openings in leaves from all the plants after plant 6 was osmotically shocked with a highly concentrated solution of mannitol.
The stomatal openings of plants 6-8 are smaller than those of the other plants, while those of plants 9 and 10 are larger than the other plants. This indicates that the plants 6-8 experienced the most severe water stress due to the osmotic shock, whereas plants 9 and 10 experienced a lesser degree of stress.
The control experiment, in which water was added to plant 6 instead of mannitol, also showed that the stomatal openings of plants 6-8 were smaller than those of the other plants while those of plants 9 and 10 were intermediate in size. This suggests that the plants 6-8 were more sensitive to osmotic shock than the other plants, while plants 9 and 10 were less sensitive.
Overall, the results suggest that the osmotic shock caused by the mannitol affected the stomatal openings of plants 6-10 differently than those of the other plants.
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if a persons blood with unknown blood type is mixed with antibodies for a antigen and no agglutination has occurred. The blood group might be:
a-A b-B c-O d-both(b&c)
Answers
I'm not sure, but I think it's a-A
Which organism in the food web would be considered both a primary consumer and a secondary consumer?
