Select statements that accurately describe receptor tyrosine kinases (RTKs).
a) The intracellular domain has phosphatase domains.
b) Some RTKs are dimeric in the presence of a ligand.
c) Ligand binding is required for autophosphorylation (cross‑phosphorylation).
d) The structure includes a transmembrane helix.
e) The α subunit contains seven α helices that span the membrane.
f) A ligand binds to the extracellular domain.
Answers
Answer: B,C,D,F
Explanation:
Of the given propositions it is correct that:
B. RTKs are generally (but not always) monomeric in the absence of ligand.
The observed structure of most RTKs are monomeric, thus their structure will adapt to the needs of the organism
C. A ligand binds to the extracellular domain.
When the cell can express extracellular domains, many of the ligands that circulate through the medium will be able to find their targets and trigger reactions.
D. Ligand binding is required for autophosphorylation (cross phosphorylation).
After the ligand finds its domain, the union will generate conformational changes, including autophosphorylation. which will produce chain reaction
F. The structure includes a transmembrane helix.
it is true that the membrane has a propeller that allows its conformation
Related Questions
What was the contribution of Rosalind Franklin to the discovery of the structure of DNA.A) She discovered the structure of DNAB She identified the process of transcriptionC) She concluded there is some "transforming principle."D) She had X - Ray evidence of the shape of DNA
Answers
The contribution of Rosalind Franklin to the discovery of the structure of DNA is: D. She had X-ray evidence of the shape of DNA (double-helix), that is also the discovery of its 3D structure.
The product of Vidya's height and 7 is 112.
Answers
If the product of Vidya's height and 7 is 112, then Vidya's height would be 16.
Word problemThe problem here is how to translate the word problem into an equation.
Vidya's height is an unknown variable.
Let us assume that Vidya's height is Y. The product of Vidya's height and 7 is 112.
Thus:
Y (Vidya's height) x 7 = 112
7y = 112
We now have an algebraic equation in our hands. Let's solve for Vidya's height:
7Y = 112
Dividing both sides by 7, we have:
Y = 112/7
Y = 16
In other words, Vidya's height is 16.
Check: 16 x 7 = 112
The complete question: The product of Vidya's height and 7 is 112. Translate the sentence into an equation.
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The conformational change in an enzyme after the substrate is bound that allows the chemical reaction to proceed, can be explained by
A.induced fit
B. transition
C. fit and fine
D. Pasteur
Answers
If you obtained your daily vitamin A from beta-carotene, how much beta-carotene would you need to consume to meet the RDA of 700 ug RAE?
Answers
The recommended daily intake for adults and adolescents is between six and fifteen milligrammes (mg), or 10,000 and 25,000 units of vitamin A activity, of beta-carotene.
What quantity of beta-carotene is required to make one of A rae?According to research, the body can convert 2 micrograms (g) of -carotene found in supplement oil into 1 g of retinol, giving it a 2:1 RAE ratio. However, the body needs 12 g of food-based -carotene to produce 1 g of retinol, providing dietary -carotene a 12:1 RAE ratio.
How much beta-carotene do you take in a day?The recommended daily intake for adults and adolescents is from six to fifteen milligrammes (mg), or 10,000 and 25,000 units of vitamin A activity, of beta-carotene. Beta-carotene intake for children should range from 3 to 6 mg per day (5,000–10,000 USU for vitamin A activity).
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Which of the following is not an example of defensive communication?
Answers
The statement that is not an example of defensive communication is “I would love to talk about this with you if you have the time.” That is option C.
What is a defensive communication?A defensive communication is defined as the type of communication that has the ability to stimulate anxiety and threat in an individual by another person.
Typical examples of defensive communication include the following:
“Why can’t you think about someone else for a change?”"You never listen to me.”"You always do this.”These statements above are able to trigger anxiety and threat to the person it's been referred to.
Therefore, the statement that is not an example of defensive communication is “I would love to talk about this with you if you have the time.”
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Complete question:
Which of the following is not an example of defensive communication?
Which of the following is not an example of defensive communication?
a.“Why can’t you think about someone else for a change?”
b.“You never listen to me.”
c.“I would love to talk about this with you if you have the time.”
d.“You always do this.”
What are the 3 stages of aerobic respiration?
Answers
Answer:
Cellular respiration uses energy in glucose to make ATP. Aerobic (“oxygen-using”) respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport. Please mark brainliest :)
Which statement describes Redi's experiment, which helped disprove spontaneous generation?
He examined covered and uncovered meat to determine that maggots came from eggs.
He heated milk to show that it could destroy bacteria
He wrote a book on how cells come from other cells through reproduction.
He showed that the shape of a flask was important to the experiment.
Answers
Answer:
He examined covered and uncovered meat to determine that maggots came from eggs.
Explanation:
Prior to Redi's experiment and other supporting experiments, it was formerly believed that life could emanate from non-living things, for example, the generation of maggots from rotting meat.
In 1668, a scientist called Francesco Redi disproved the idea of spontaneous generation. He did this when he experimented that the maggots from meats are only as a result of eggs laid by flies when they perched on the meat.
He placed the meat in two jars; an uncovered jar and another in a covered jar with a cloth, after several days, the uncovered jar had maggots on the meat, while the covered jar had no maggot on the meat, but on the cloth. With this experiment, he was able to demonstrate that the maggot arose from the eggs of the flies, not the meat itself which is nonliving and hence, disproved the idea of spontaneous generation.
Answer:
He examined covered and uncovered meat to determine that maggots came from eggs.
Explanation:
I just got it right
Describe the ways in which the bacteria cells cluster together
Answers
Answer:
There are several different morphologies that describe particular bacteria and archaea. Archaea can have a round (cocci) shape or a rod (bacilli) shape.Bacteria can also be circular, rod, or a spiral shape (spirochete).
"With a mix of ice and water present, the surface water must have had a temperature of ______°C, as observed in Figure 3B-1."
Answers
With a mix of ice and water present, the surface water depends upon various factors, such as the amount of ice and water present, the amount of heat transfer that occurs, etc.
What is the significance of the temperature?The temperature of the surface water is not determined based on the temperature of the water, but the temperature can be determined based on the initial temperatures of the ice and water and the amount of heat transfer that occurs, etc. So, If the amount of ice is large and there is a significant amount of heat transfer, the temperature of the surface water may be closer to 0 °C.
Hence, with a mix of ice and water present, the surface water depends upon various factors, such as the amount of ice and water present, the amount of heat transfer that occurs, etc.
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i need helpp pleasee i need to answerrr this correctlyy
Answers
In a monohybrid cross, if the gene for tall (T) plants was incompletely dominant over the gene for short (t) plants, what would be the predicted result of crossing an intermediate (Tt) plant with a tall (TT) plant? (Hint: You may want to complete a Punnett square.) 50 percent tall, 25 percent intermediate, 25 percent short 25 percent tall, 50 percent intermediate, 25 percent short 50 percent tall, 50 percent intermediate 100 percent intermediate
Answers
Answer:
It would be 50/50
Explanation:
If you do appointment square with TT and Tt you would have two sets of TT and two sets of Tt
Explain how diffusion restored homeostasis during the dialysis treatment.
Answers
During dialysis, diffusion facilitates the movement of waste products and excess fluids out of the blood, restoring homeostasis.
During dialysis treatment, diffusion plays a crucial role in restoring homeostasis. Homeostasis refers to the body's balanced state, where the levels of various substances are maintained within a narrow range. In the context of dialysis, diffusion refers to the movement of solutes across a semipermeable membrane.In hemodialysis, the patient's blood is circulated through a dialyzer, which contains a semipermeable membrane. On one side of the membrane, the patient's blood flows, while on the other side, a dialysate fluid flows. Due to a concentration gradient, solutes like urea, creatinine, and excess electrolytes in the blood diffuse across the membrane into the dialysate fluid.This diffusion process helps remove waste products and excess fluids from the blood, bringing it closer to the normal physiological range. By restoring the balance of solutes and maintaining proper fluid levels, diffusion in dialysis aids in restoring homeostasis and promoting the overall well-being of the patient.For more such questions on Dialysis:
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distribution of chlorophyll, stomata, mesophyll cells and vascular bundles support photosynthesis
Answers
Yes, the distribution of chlorophyll, stomata, mesophyll cells, and vascular bundles supports photosynthesis.
Let us discuss each separately.
Chlorophyll: It absorbs light energy from the sun, which is essential for photosynthesis. The distribution of chlorophyll within the mesophyll cells ensures that it is positioned optimally to capture sunlight.Mesophyll cells: Mesophyll cells are the main site of photosynthesis in plant leaves. It contains chloroplasts and provides a spongy texture to the leafy surface.Stomata: Stomata are small openings on the surface of leaves that regulate gas exchange, including the uptake of carbon dioxide (CO2) required for photosynthesis and the release of oxygen (O2) produced during photosynthesis. Vascular bundles: Specialized tissues composed of xylem and phloem, responsible for transporting water, minerals, sugars, and other substrates throughout the plant body.To know more, refer to;
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Small steps toward completion of the final project are called _________. benchmarks bunny hops driving questions reflections
Answers
Answer:
Benchmarks
Explanation:
A benchmark is simply an operation or a test to check the performance of something (in this case, a project) to evaluate if it is ready to be used.
Benchmarks are important because they are needed to see if a project is ready and set to be launched.
What are the levels of classification aardvarks have in common with anteaters? Choose the four that apply. PLS HELP
A. domain
B. kingdom
C. phylum
D. class
E. order
F. family
G. genus
H. species
Answers
Answer:
domain kingdom phylum and class
A landscaper must plant one flower, one grass, and one
tree at each job site. She has 6 different kinds of flowers,
4 different kinds of grasses, and 9 different kinds of trees
from which to choose. Find the probability that the job
site owner correctly guesses the correct plants on the
finished job site. (Express your answer as a decimal
rounded to the nearest ten-thousandth.)
Answers
The number of ways the landscaper can choose one flower, one grass, and one tree is given by the product of the number of choices for each type of plant:
$6\times4\times9=216$
Since the owner has to correctly guess all three plants, the probability of guessing correctly is:
$\frac{1}{216}$
Expressing this as a decimal rounded to the nearest ten-thousandth gives:
$0.0046$
Therefore, the probability that the job site owner correctly guesses the correct plants on the finished job site is approximately 0.0046.
What is the dew point if the dry bulb temperature is 20 C and the relative humidity is 17 %?
Answers
The dew point if the dry bulb temperature is 20°C and the relative humidity is 17 % is 1.6°C.
Dew point is the temperature at which air becomes saturated with water vapor and begins to condense. The dew point is a significant meteorological parameter that represents the measure of atmospheric humidity. The dew point is a critical component in calculating relative humidity and heat index.
It also plays a crucial role in predicting the possibility of dew, frost, and fog. Given the dry bulb temperature of 20 C and the relative humidity of 17%, we can calculate the dew point as follows:First, find the saturation vapor pressure using the equation:Es = 6.11 × 10(7.5T / (237.7 + T))where T is the temperature in degrees Celsius.So, Es = 6.11 × 10(7.5 × 20 / (237.7 + 20)) = 23.48 mmHg.
Next, find the actual vapor pressure using the formula: E = RH/100 × E_s where RH is the relative humidity as a percentage. So, E = 17/100 × 23.48 = 3.99 mmHg. Finally, we can calculate the dew point using the formula: Td = (237.7 × log10(E/6.11)) / (7.5 - log10(E/6.11))Td = (237.7 × log10(3.99/6.11)) / (7.5 - log10(3.99/6.11)) = 1.6°C. Therefore, the dew point is 1.6°C.
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the value 10.00 has sigificant figuers
Answers
Answer:
1.e 1,0,0,0
Explanation:
it's just that
what are the 3 major human reces
Answers
The three major human races are Caucasoid, Negroid, and Mongoloid.
What is a race?A race is a large group of people distinguished from others on the basis of common physical characteristics, such as skin color or hair type.
The three major human races are as follows;
CaucasoidCaucasoidNegroidCaucasoidNegroidMongoloidCaucasoid is a racial classification of humanity composed of many peoples inhabiting Europe, the Northeast Atlantic, North Africa, the Horn of Africa, West Asia, South Asia and parts of Central Asia, as well as their descendants in other regions of the world.
Negroid is pertaining to a racial classification of humanity including people indigenous to sub-Saharan Africa and their diaspora in other parts of the world.
Mongoloid is a racial classification of humanity composed of peoples native to North Asia, Central Asia, East Asia, Pacific Oceania, and the Americas, as well as their diaspora in other parts of the world.
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An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.
Which statement correctly explains this?
Answers
For an organism that has 18 chromosomes in its body cells and its sex cells have 9 chromosomes, the correct statement is C, Its sex cells are haploid and a result of meiosis.
What are haploids?Haploid cells have half the number of chromosomes as diploid cells. Mitosis is a type of cell division that produces two identical daughter cells. Meiosis is a type of cell division that produces four daughter cells, each with half the number of chromosomes as the parent cell.
In the organism described, the body cells are diploid (18 chromosomes) and the sex cells are haploid (9 chromosomes). This is because the sex cells are produced by meiosis, which is a type of cell division that reduces the number of chromosomes by half. This allows the sex cells to combine with each other to form a new diploid cell, which is the beginning of a new organism.
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Complete question:
An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.
Which statement correctly explains this?
Its body cells are haploid and a result of mitosis.
Its sex cells are diploid and a result of mitosis.
Its sex cells are haploid and a result of meiosis.
Its body cells are diploid and a result of meiosis.
Observational Research is defined as
A). An idea generated by scientists based on their observations
B). A stepwise process used by scientists to evaluate different observational techniques
C). A Process that involves looking at factors in two or more groups of subjects to see if there is a relationship to certain outcomes?
Answers
The Irish Lumper variety of potato was introduced into Ireland in the early 1800s. The Lumper soon became the only variety of potato grown in much of Ireland. The potato blight destroyed most of the Lumper crop between 1845 and 1852 resulting in the death of about 1 million Irish from starvation.
A researcher suggests that the Irish monoculture (growing a single crop) of the Lumper potato did not significantly change the overall resistance of the potato crop in Ireland to diseases. Which of the following observations best refutes this null hypothesis?
A - Before the arrival of the potato blight, there were already two other potato plant diseases in Ireland.
B - The number of fatalities from the Irish potato famine was greater than the rest of the European countries combined.
C - During the early nineteenth century, the vast majority of people in Ireland depended on the Lumper potato for food.
D - Growing more varieties of potatoes increases competition for available resources, which may yield fewer potatoes.
Answers
The number of fatalities from the Irish potato famine was greater than the rest of the European countries combined. Thus the correct answer is option (B).
Irish potatoes' genetic homogeneity made the potato famine that wiped out Ireland's population and economy worse. Evolutionary theory warns against relying on crops with little genetic variety. We might be able to stop significant crop loss caused by shifting environmental circumstances if we pay attention to expert advice and historical lessons. The Irish were able to feed their expanding population in the 1800s by cultivating potatoes. They grew only the "lumper" variety of potato. Furthermore, because potatoes can be replicated vegetatively, all of these lumpers were identical clones. For a while, the lumper gave Ireland food, but it also created the circumstances that resulted in significant economic and social catastrophe. According to evolutionary theory, populations with lesser genetic diversity are more vulnerable to changing environmental conditions than populations with higher genetic diversity. When the ecology of the country changed and a potato disease appeared there in the 1840s, the potatoes (and the people who depended on them) were destroyed. It is likely that the Irish potato clones had little genetic variation.
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5. The mesosphere is found at 50 to 85 km above Earth’s surface. (5 points)
A. What temperatures would you expect in the mesosphere? (3 points)
Answers
In the mesosphere, temperatures generally decrease with increasing altitude and may range from about -90°C (-130°F) to -120°C (-184°F).
What is the mesosphere?The mesosphere is described as the third layer of the atmosphere, directly above the stratosphere and directly below the thermosphere.
The average temperatures in the mesosphere range from roughly -90°C (-130°F) to -120°C (-184°F).
However, temperatures can fluctuate based on location, time of year, and other factors.
The mesosphere is one of the coldest parts of the Earth's atmosphere due to these extraordinarily low temperatures.
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4. The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell would be: which option is correct a) 1 mole of ATP b) 2 moles of ATP c) 3 moles of ATP d) 4 moles of ATP e) 6 moles of ATP
Answers
The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell is approximately 4 moles of ATP.
During oxidative phosphorylation, each mole of NADH can generate around 2.5 to 3 moles of ATP. Therefore, for 2 moles of NADH, the total ATP production would be in the range of 4 to 6 moles of ATP. While the more precise estimate falls within the 4 to 6 moles range, the closest option provided is 4 moles of ATP. It is important to note that the exact ATP yield can vary depending on factors such as the efficiency of the electron transport chain and the specific conditions within the cell.Since there are 2 moles of mitochondrial NADH, the total ATP yield would be around 4 to 6 moles of ATP. However, the most accurate option among the given choices is 4 moles of ATP.
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Question 1 of 10
Which element of the scientific process includes the greatest amount of
information about living things?
OA. A hypothesis
OB. A theory
OC. A conclusion
OD. A data record
SUBMIT
Answers
According to the research, the correct option is B. A theory is the element of the scientific process that would include the greatest amount of information about living things.
What is a theory?It is a set of ideas or proven hypotheses that explain some phenomenon studied or a scientific description based on a set of observations or experiments.
In this sense, it is a logical system that is established from observations, axioms and postulates, and is formed by the set of concepts, propositions and definitions that are related to each other with the aim of explaining the given phenomenon.
Therefore, we can conclude that according to the research, the correct option is B. A theory is the element of the scientific process that would include the greatest amount of information about living things.
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which fossil record would likely show more diversity in-living organisms of marine organisms?
Answers
Answer:
The correct answer is desert-dwelling species.
Explanation:
Any preserved remains, trace or impression of anything, which was once living in the past is termed as a fossil. The examples of fossils comprise stone imprints of microbes or animals, bones, exoskeletons, shells, coral, remnants of DNA, the substances getting preserved in amber, and others.
For the formation of fossils, the most essential condition is decomposition that takes place gradually, that is, at a slow pace. Thus, places like wet marshy areas will be the locations where the maximum of the fossils can be found as such places provide optimum conditions for slow mineralization and decomposition of bones.
explain the importance of all 3 biomolecules in general and for making ATP.
Answers
The three biomolecules that are used for making ATP are Lipids (fats) , Carbohydrates and Proteins
The biomolecules also known as biological molecules serve a wide range of activities and they vary in shape and their size . It is also considered essential to life because they help organisms develop, survive, and propagate. The biomolecules interact with one another which play a role in the development of organisms .
There are four types of biological molecules which are carbohydrates which is used as an energy source , lipids which is used for storage and support , proteins is used for supporting essential vital functions and amino acids are the developing elements that make up proteins and nucleic acids for storing genetic information .
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if 4 molecules of water are oxidized by the light-dependent reactions, how many molecules of ATP are formed directly as a result?
Answers
When 4 molecules of water are oxidized by the light-dependent reactions, six molecules of ATP are formed directly as a result.
What are molecules?A molecule is described as a group of two or more atoms held together by attractive forces known as chemical bonds.
The Adenosine triphosphate (ATP) is described as the source of energy for use and storage at the cellular level. The structure of ATP is a nucleoside triphosphate, consisting of a nitrogenous base (adenine), a ribose sugar, and three serially bonded phosphate groups.
During the light-dependent reaction the ions flow through ATP synthase from the thylakoid space into the stroma in a process called chemiosmosis to form molecules of ATP.
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Which property of a plant species would be MOST USEFUL for meeting the scientists' goal?
Answers
The property of a plant species that would be MOST USEFUL for the scientists' goal of developing a useful crop plant through selective breeding is Very high genetic variation. The correct answer is option B.
High genetic variation within a plant species means that there is a wide range of genetic traits and characteristics present. This provides a greater chance of finding desirable traits that can be selected for and developed in the breeding process. By selecting plants with specific desired traits and crossing them, scientists can increase the likelihood of producing offspring with those traits. Over time, this can lead to the development of a new plant variety with improved qualities such as higher yield, resistance to pests or diseases, or improved nutritional value. Therefore, the correct answer is option B.In summary, a plant species with very high genetic variation would be most useful for the scientists' goal of developing new farm crops through selective breeding because it increases the chances of finding desirable traits and allows for the development of improved qualities in the offspring.For more questions on selective breeding
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The correct question would be as
A team of scientists is studying several plant species that they think could become new farm crops. The scientists want to apply selective breeding to develop one of the species into useful crop plants. Which property of a plant species would be MOST USEFUL for meeting the scientists' goal? A. very low genetic variation B. very high genetic variation C. producing only a few fruits and seeds each growing season
The depolarization of the ____________ normally generates the action potential that leads to depolarization of all other cardiac muscle cells.
Answers
Answer:
The depolarization of the ___SOMA NEURONAL_________ normally generates the action potential that leads to the depolarization of all other cells of the heart muscle.
Explanation:
The depolarization of the neuronal body, that is, the body of the neuron, generates an action potential that is transported throughout the axon, until in the motor unit (union between neuron and muscle) the action potential is transmitted to the cardiac cell, depolarizing the membrane of the myocardial cell and thus effecting cardiac contraction.
Cardiac contraction occurs in a controlled, rhythmic and systematic manner, with autonomic character and as a consequence of the release of calcium from REL to LIC