Which of the following statements about how proteins are controlled is FALSE? The word "allosteric" describes a protein that can exist in multiple conformations, depending on the binding of a ligand at a site other than the catalytic site. Feedback inhibition may trigger a conformational change in an enzyme. Feedback inhibition is a form of metabolic control in which the end product of a chain of enzymatic reactions reduces the activity of an enzyme early in the pathway. Feedback inhibition is a form of positive regulation. The equilibrium between two conformations of a protein can be affected by the binding of a regulatorv ligand.
Answers
The following statement about how proteins are controlled is FALSE: Feedback inhibition is a form of positive regulation. Proteins are organic macromolecules made up of amino acids. Proteins are among the most important macromolecules in the human body, and they are involved in a wide range of cellular processes.
Proteins are generally well controlled to ensure that they are in the right place at the right time to perform their duties. Proteins can be controlled by a variety of mechanisms to ensure that their function is appropriate. The following is a list of incorrect assertions:
Feedback inhibition is a type of metabolic control in which the end product of a chain of enzymatic reactions decreases the activity of an enzyme early in the pathway. Feedback inhibition may trigger a conformational change in an enzyme.The term "allosteric" refers to a protein that can exist in multiple conformations depending on the binding of a ligand at a site other than the catalytic site.
This binding can cause the equilibrium between two conformations of a protein to shift.The equilibrium between two conformations of a protein can be influenced by the binding of a regulator ligand. A ligand is a molecule that binds to a receptor or enzyme and alters its activity. The protein's activity can be controlled by ligand binding.
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Related Questions
What is the structure of DNA? 20 points.
Answers
Answer:
Basic structure of DNA
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
DNA structure and function
DNA is the information molecule. It stores instructions for making other large molecules, called proteins. These instructions are stored inside each of your cells, distributed among 46 long structures called chromosomes. These chromosomes are made up of thousands of shorter segments of DNA, called genes.
Explanation:
DNA is made up of molecules called nucleotides. Nucleotides are attached together to form two long strands that spiral to create a structure called a double helix. If you think of the double helix structure as a ladder, the phosphate and sugar molecules would be the sides, while the bases would be the rungs.
was Dr. Gey's use of Henrietta Lacks' cells unethical? Support
your response with evidence from all three sources,
Answers
For the source material please read the Radiolab segment, as well as the two articles on Dr. Gey's use of Henrietta Lack's cells from the biomedical test chapter 3.
Answer:
Dr. Gey's use of Henrietta Lack's cells after 24 years was not unethical due to his effort to figure out what was wrong with cells and why it happened to Henrietta.
Even if he did his intentions were to figure out how to treat cancer and help many people from the lethal condition. His effort made it possible to grown immortal human cells in culture. That help in developing the polio vaccine, and many other milestones.
is flexible and easily compressed.
Answers
Answer:
cartliage
Explanation:
The amino acids are combinations of:
organic acid and amines
esters and aldehydes
organic acid and esters
ketones and alcohol
Answers
Answer:
organic acid and amines
A student wants to determine if exercise helps one to learn better. She conducts an experiment where 10 people start an exercise program and 10 people do not exercise. During the first semester grades are recorded. Then, after the first semester, the people's roles are reversed. The exercisers stop their program and the non-exercisers start the exercise program. Grades are recorded for the second semester. Before and after grades are compared. F. What is the dependent variable? G. What is the independent variable? H. What variables need to be controlled (held constant) for this experiment to be fair? I. Does she have a control group? If yes, what is it? If no, what should it be?
Answers
Answer:
Independent variable: exercise
Dependent variable: grades
Constants: same kind of exercise, same set of students
Yes, there is a control group. The control group are the 10 people that do not exercise
Explanation:
In an experiment, the independent variable is that variable that the experimenter changes or manipulates. In this case, the independent variable is the EXERCISE.
The dependent variable is the variable that responds to changes made to the independent variable or the variable that the experimenter measures. In this case, the dependent variable is the GRADE of the people.
The constant is the variable that the experimenter must keep constant or unchanged throughout the experiment. In this experiment, the constants are the same kind of exercise, same set of people used.
In this experiment, there is a CONTROL GROUP. The control group is the group that does not receive the experimental treatment in the experiment. In this case, The control group are the 10 people that do not exercise
Ariel was playing basketball. 1 of her shots went in the hoop. 2 of her shots did not go in the hoop. How many shots were there in total?
Answers
Answer:
69
Explanation:
believe me dude
A minute-by-minute change in the atmosphere is the definition of ?
Answers
Answer:weather
Explanation:
A population of large predators in an ecosystem has been trapped and removed from the area. How would this event most likely change the food web in this ecosystem?
Answers
As per the given scenario, the number of small predators will decrease and the number of herbivores will increase. The correct option is C.
A reduction in the pressure of large predators on herbivores would follow from their disappearance.
Since there would be less threats to them from predators, the population of herbivores would probably rise.
The effect would be a reduction in the population of tiny predators, which may have previously depended on the huge predators as a food source.
As a result of this adjustment, the ecosystem's small predator population would decline while the population of herbivores would expand.
Thus, the correct option is C.
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Your question seems incomplete, the probable complete question is:
A population of large predators in an ecosystem has been trapped and removed from the area. How would this event most likely change the food web in this ecosystem?
A.
The number of herbivores will decrease and the number of producers will increase.
B.
The number of herbivores will increase and the number of producers will decrease.
C.
The number of small predators will decrease and the number of herbivores will increase.
D.
The number of small predators will decrease and the number of omnivores will decrease.
1. Do you think that parents should be able to use science to determine whether or not an unborn child will have a genetic disorder?
2. Is this taking science too far?
3. Should taxpayer dollars be used to do additional research into detecting genetic diseases that could be determined before birth?
Answers
Answer:
All of these are personal opinion so I would personally suggest learning about these on your own as well as here.
Which trait is most likely modified by environmental influences such as diet and lifestyle?
lifespan
seed type
blood type
eye color
Answers
Mass of lead = 567.5 g
Volume of lead = 50.0
What is the density of lead?
Answers
Answer:Its 350
Explanation:Because after i did the math i got 350
Up to this point, did you notice any differences between the development of male and
female gametes?
Explain
Answers
Both male and female gametes are produced by different organs and in different sizes.
The main difference between male and female gametes is that male gametes which are known as sperm cells are produced in large numbers by the male reproductive organs whereas female gametes are called egg cells which are produced single at a time by the female reproductive organs.
Both male and female gametes are formed by meiosis type cell division. The female gamete is a large in size and motile while the male gamete is small in size and also motile so we can conclude that both gametes are produced by different organs, numbers and sizes.
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1. Adenine 2. Thymine. vocab 3. Uracil 4. Guanine 5. Cytosine 6. Nitrogenous Base 7. Amino Acid 8. Protein 9. DNA 0. RNA 1. Double Helix 2. Enzyme 3. Gene 4. Hydrogen Bond -5. Messenger RNA (mRNA) 6. Ribosomal RNA (TRNA) 7. Transfer RNA (TRNA) 8. Nucleic Acid 9. Nucleotide O. Nucleoside 1. Nucleus 2. Ribosome 13. Phosphate Group 4. Protein Synthesis 5. Transcription 6. Translation 7. Mutation
Answers
Answer:
1. Adenine 2. Thymine. vocab 3. Uracil 4. Guanine 5. Cytosine 6. Nitrogenous Base 7. Amino Acid 8. Protein 9. DNA 0. RNA 1. Double Helix 2. Enzyme 3. Gene 4. Hydrogen Bond -5. Messenger RNA (mRNA) 6. Ribosomal RNA (TRNA) 7. Transfer RNA (TRNA) 8. Nucleic Acid 9. Nucleotide OR. Nucleoside 1. Nucleus 2. Ribosome 13. Phosphate Group 4. Protein Synthesis 5. Transcription 6. Translation 7. Mutation
Explanation:
Is this your answer???
Determine the offspring genotypes:
Answers
Answer:
PP × pp = Pp, Pp, Pp, Pp
Pp × pp = Pp, pp, Pp, pp
The intensity of sunlight on Earth is affected by
A.) the mass of Earth
B.) the speed of Earth
C.) the number of rotations of Earth
D.) the curved surface of Earth
Answers
Answer:
The correct answer is D.) the curved surface of Earth.
Explanation:
The intensity of sunlight on Earth is affected by the curved surface of Earth, which causes the sunlight to spread out over a larger area. As a result, the intensity of sunlight is less at any given point on Earth's surface than it would be if Earth had a flat surface. This also explains why the poles receive less sunlight than the equator, as sunlight is spread out over a larger area near the poles due to the curvature of the Earth.
Factors such as the mass of Earth, the speed of Earth, and the number of rotations of Earth do not directly affect the intensity of sunlight on Earth.
What is the top of a hierarchy called?.
Answers
The highest-ranking people are at the apex.
The most common way to represent a hierarchy is as a pyramid, where the width of the level represents how many individuals or business divisions are there in relation to the whole, and the height of the ranking or person depicts their power status.
The highest-ranking individuals are located at the apex and there are typically very few of them, often only one; the base may contain thousands of individuals who have no subordinates.
An organizational chart or organogram is created by using a tree or triangle diagram to represent these hierarchies. Because there are fewer people at the top than at the bottom, those closest to the top have more influence than those closest to the bottom.
As a result, in a hierarchy, superiors typically command and have a greater rank.
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How is directionality maintained for proteins that need to go in and out of the nucleus?
a) The localization of import and export receptor proteins.
b) The localization of specific nuclear proteins.
c) The localization of Ran-GTP and Ran-GDP
Answers
Directionality is maintained through the localization of import and export receptor proteins, and the localization of Ran-GTP and Ran-GDP (option c).
In cells, directionality for proteins entering and exiting the nucleus is maintained by the selective localization of import and export receptor proteins.
These receptors recognize specific signal sequences on the proteins. Additionally, the localization of Ran-GTP and Ran-GDP plays a crucial role in the process.
Ran-GTP is found in the nucleus and Ran-GDP in the cytoplasm.
These molecules regulate the binding and release of proteins to the import and export receptors, ensuring a unidirectional flow of proteins in and out of the nucleus, and maintaining the nuclear-cytoplasmic transport system.
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The birds shown below are four types of the 13 species of finches Darwin found on the Galapagos Islands.
The large ground finch (top left) obtains food by cracking seeds. Its short, strong break is an example of which of the following?
A. The struggle for existence
B. The tendency towards perfection
C. An adaption
D. An inheritance of acquired traits
Answers
The birds shown below are four types of the 13 species of finches Darwin found on the Galapagos Islands, and the strong break is an example of an adaptation that is presented in option c.
What is the significance of the adaptation in birds?Adaptation is seen in these due to a long period of accumulation of the traits and in response to environmental pressures that have helped an organism survive; this is an example of natural selection, where traits that provide an advantage inherit
Hence, the birds shown below are four types of the 13 species of finches Darwin found on the Galapagos Islands, and the strong break is an example of an adaptation that is presented in option c.
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Ribosomal subunits and ____________ leave while the ____________ stays in the ____________ where it is modified into a functional protein.
Answers
Ribosomal subunits and messenger RNA (mRNA) leave while the ribosome stays in the cytoplasm where it is modified into a functional protein.
During protein synthesis, ribosomes play a crucial role in translating the genetic information encoded in mRNA into a functional protein. The ribosome consists of two subunits, the large and small subunits, which come together during translation and then separate once the process is complete.
Once the protein synthesis is finished, the ribosomal subunits dissociate and are available to participate in subsequent rounds of translation. The mRNA molecule also detaches from the ribosome, carrying the synthesized protein's genetic instructions for further processing.
Meanwhile, the ribosome itself remains in the cytoplasm, where it can engage with other mRNA molecules and initiate new rounds of protein synthesis. The newly synthesized protein may undergo additional modifications in the cytoplasm, such as folding, post-translational modifications, or assembly into larger protein complexes, before it becomes a functional protein capable of carrying out its specific cellular functions.
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"The article 'Rellability of Domestic-Waste Biofilm Reactors' (D. of Envir. Engr.. 1995-785-790) 50ggests that substrate. concentration (mg/cmA3) of influent to a reactor is normally distributed with mu=30 and sigma = 06 . Which statement characterizes the largest 5% of all concentration values? The 95 th percentle of the standard normat distribution watisfes Phi(z) - 95 , from which z=1.645,50,c−30+(1,645)(06)=3987, The largest 5% of all concentration valueh are above 3987mg/cm −7
"The 95 th percentile of the standard norral distribution satisfies Phicz - 95 , from whilich z=−1.645,50.6=30−(5,645(06)=2013. The largest 5% of all concentration values are loss 2013 m/m/cm3 ∗
"The 95 th percentile of the standard normal distribution satishes Phi(2) - 95, from which z=−1.645,50,c+30−(1,645)(06)=2013. The Largest 5% of all concentration values are above 2013mg/cm3, "The 95th percentile of the standard normal distribution satisfies Philz - .95, from which z −1.645 So, c=30+(1.645)(06)=3987. The largest 5% of all concentration values are less 3987mg/cm 2
" None of the statements are true Question 3 Construct a normal probability plot for the data found on page 187 problem 88 . Which statement is true about the probability plot? The plot shows some non trivial departures from linearity, especially in the fower tail of the distribution. This indicates a normal distribution might not be a good fit to the population distribution of clubhead velocities for female golfers." The plot shows linearity. This indicates a normal distribution is a gond fit to the population chistribution of clubhead velocites for fervule goters "The plot shows some non trival departures from linearity. especially in the center of the distribution. This indicistes a normal distribution would be a good fit to the population distritution of clubhead velocities tor female golters" The plot shows linearity. This indicates a noemal distribution is not a good fit to the nopulation distribution of cubhead velocities for female golfers. None of the statements are true.
Answers
The statement that characterizes the largest 5% of all concentration values is: "The largest 5% of all concentration values are above 3987 mg/cm³."
According to the given information, the substrate concentration (mg/cm³) of influent to a reactor is normally distributed with a mean (μ) of 30 and a standard deviation (σ) of 0.06. To find the concentration value that corresponds to the largest 5% of all values, we can use the concept of the standard normal distribution.
The 95th percentile of the standard normal distribution is denoted as Φ(z) = 0.95, which corresponds to a z-score of 1.645. By substituting the values into the formula: c = μ + (z)(σ), we can calculate the concentration value for the largest 5%:
c = 30 + (1.645)(0.06) = 30 + 0.0987 = 30.0987 ≈ 3987 mg/cm³.
Therefore, the statement that characterizes the largest 5% of all concentration values correctly indicates that the values are above 3987 mg/cm³.
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Can a skin cell divide to produce a muscle cell
Answers
Which of these processes in the water cycle causes dew to form in the morning?
Condensation
Transpiration
Evaporation
Precipitation
Answers
i took biology
the answer condensation because condensation can form dew.
why do you think so many russians classify themselves as nonreligious?
Answers
The reason that many Russians classify themselves as nonreligious is that during the Soviet Union's existence, irreligion served as the official state policy and was strictly upheld.
How does Russia feel about religion?A regulation enacted in 1997 distinguishes between "traditional" and "non-traditional" faiths in Russia when it comes to the freedom to practice religion. Islam, Judaism, Buddhism, and Christian Russian Orthodoxy are acknowledged as being native to the Russian people and are given unique rights.
With over half of all adherents, Russian Orthodoxy is currently the largest religious movement in the nation. The nonreligious still make up more than one-fourth of the population despite organized religion being suppressed by Soviet authorities for the majority of the 20th century.
Therefore, Christianity, notably Russian Orthodoxy, is the most frequently practiced religion in Russia, but there are sizable minorities of atheists and followers of other religions as well.
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Which of these reactions requires a net input of energy from its surroundings?Which of these reactions requires a net input of energy from its surroundings?endergonicexergonichydrolysisATP --> ADP + Pcatabolic
Answers
The reactions which requires a net input of energy from its surroundings is endergonic reaction, which means option A is the right answer.
In the endergonic reactions, excess energy from the surrounding is required as input. The process of energy consumption helps in increasing the rate of the reaction. In various processes that help in sustaining in the life processes, no energy as input is required as the life survival processes are spontaneously progressed.
In exergonic reactions, the products have higher energy potential than the reactions, while it is reverse in endergonic reactions. If the formation of ATP molecules from the ADP is to take place, then the addition of energy is needed. Thus reaction will be as follows:
ADP + P --> ATP
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Refer to complete question below:
Which of these reactions requires a net input of energy from its surroundings?
Which of these reactions requires a net input of energy from its surroundings?
endergonicexergonichydrolysisATP --> ADP + PcatabolicS. aureus is gram positive. What differences in strains might account for differences in phage susceptibilities?
Answers
S. aureus is indeed gram-positive but within the bacteria classed as gram-positive, there are differences that might predispose them to infection by phages.
S. aureus as an organism usually adapts to their environment through mutations on their membranes which can be proteins e.g. surface proteins, or receptor molecules e.g. sugar receptors.
In preventing invasion by phages, mutations are gained that prevents attachment to the bacteria cell surface. This effectively prevents the binding of the phage to the bacteria thus preventing infection.
It is also worthy to note that the differences in bacteria strain could range from a few nucleotides to large variations in chromosomes and thus can aid in identifying specific strains that might have beneficial factors in the context of disease prevention.
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I got brianliest get it when you can
Answers
Answer:
ok :D
Explanation:
The plasma membrane is composed of a phospholipid bilayer with embedded proteins. What is one of the functions of the embedded proteins?
A. defining the cell's structure and shape
B. allowing specific substances to flow into the cell
C preventing the phospholipid talls from binding together
D. protecting the cell from physical harm
Answers
Answer: B. They allow for specific substance to travel throughout the cell.
Explanation: I know this because carrier proteins and channel proteins are some types of embedded proteins.
what class of macromolecule consumes the most energy for biosynthesis?
Answers
The class of macromolecules that consumes the most energy for biosynthesis are proteins. Proteins are composed of long chains of amino acids, which require energy to be synthesized and assembled in the correct order.
The process of protein synthesis, also known as translation, involves the use of ATP (adenosine triphosphate), which is the primary energy currency of cells. ATP is required for the activation of amino acids, which enables them to be linked together to form a polypeptide chain. Additionally, ATP is also required for the translocation of the ribosome, which is the molecular machine that reads the genetic code and links the amino acids together.The energy requirement for protein biosynthesis is further increased by the fact that proteins must be folded into their correct three-dimensional structure. This process, known as protein folding, is facilitated by chaperone proteins, which also require ATP for their activity. Furthermore, post-translational modifications such as phosphorylation and glycosylation, which are common in many proteins, also require ATP.In summary, the biosynthesis of proteins consumes the most energy among the different classes of macromolecules due to the complex processes involved, including the activation of amino acids, ribosome translocation, protein folding, chaperone activity, and post-translational modifications.For more such question on macromolecules
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How does the narrator's view of Maxwell change over time?
Answers
Answer: ?
Explanation: Maxwell who?
in mendel's monohybrid cross of true-breeding purple-flowered and white-flowered peas, all members of the f1 generation were of the___phenotype because their genotype was___for the flower-color gene.
Answers
In mendel's monohybrid cross of true-breeding purple-flowered and white-flowered peas, all members of the f1 generation were of the purple-flowered phenotype because their genotype was heterozygous for the flower-color gene.
What exactly is the thylakoid membrane in chloroplast?
A chloroplast's thylakoid membranes are an internal system of interconnected membranes that carry out photosynthesis's light reactions. They are organized into stacked and unstacked regions known as grana and stroma thylakoids, which are differentially enriched in photosystem I and II complexes.
What is the monohybrid ratio of Mendel?
Although the terms 'phenotype' (an individual's appearance) and 'genotype' (the gene variants present) were not yet in use, Mendel demonstrated the classic 3:1 phenotypic ratio of a monohybrid cross (one trait present in two forms, or alleles).
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