True or False? Please explain why.
Homework Answers
Answer=False
Explanation=Enzyme velocity is at its maximum rate when all the substrate molecules bound with enzyme.Enzyme concentration keeps constant but substrate concentration gradually increases then it reaches to its maximum velocity.
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True or False? Please explain why.
The enzyme velocity is at its maximal rate when all...
Which statement about enzyme catalysis is false? All of the active site amino acids are next...
Which statement about enzyme catalysis is false? All of the active site amino acids are next to each other in the primary sequence. Enzymes speed up reactions by forming specific non-covalent bonds between the enzyme amino acids and the transition state molecule. Some enzymes require other molecules, called cofactors, to carry out chemical reactions. Generally, the most important amino acids for an enzyme's function are those in the active site. Question 6 1 pt When [S] is much more than...
The rate of an enzyme-catalyzed reaction initially increases with an increase in the substrate concentration, but...
The rate of an enzyme-catalyzed reaction initially increases with an increase in the substrate concentration, but eventually reaches a maximum value, even though the concentration of substrate continues to increase. Which of the following best explains why? O As substrate concentration increases, the substrates preferentially bind with each other instead of the active site of the enzyme, and no additional catalysis occurs. As substrate concentration increases, the active sites of all the enzyme molecules become occupied with substrate molecules, and...
Please answer all.... Thank you! 57) An enzyme binding site with a specific shape can bind...
Please answer all.... Thank you!
57) An enzyme binding site with a specific shape can bind only those having a complementary shape; thus, the shape of the protein molecule determines the specificity of the binding site the affinity of the binding site the saturation of the binding site the counding strength of the binding site Two of the above are correct. 58) A cell is what it is because of the instructions it receives concerning the types of proteins (enzymes...
True/false, if false explain why Callase enzyme, secreted by microspores, breaks down callose, which is a...
True/false, if false explain why Callase enzyme, secreted by microspores, breaks down callose, which is a polysaccharide that keeps microspores in tetrads.
True or False: All substrates for ribozymes are RNA molecules. Please explain.
True or False: All substrates for ribozymes are RNA molecules. Please explain.
Please answer true or false. If false, explain why.
Please answer true or false. If false, explain why.
Please answer ALL questions or I'll thumbs down! 2) Imagine an enzyme that has a histidine...
Please answer ALL questions or I'll thumbs
down!
2) Imagine an enzyme that has a histidine in the substrate binding pocket that regulates substrate binding based on its protonation state to control enzyme function. Substrates can only bind in the unprotonated state; in other words, substrate binding is blocked when the histidine is protonated and when the substrate is bound, the histidine cannot be protonated. This enzyme exhibits classical Michaelis-Menten behavior. a) Assume that the pka of the histidine in...
when alkenes are hydrated, water molecules act as a catalyst: true or false please explain
when alkenes are hydrated, water molecules act as a catalyst: true or false please explain
true or false, please give explaination TRUE/FALSE. Explain why the answer is true or false. 3)...
true or false, please give explaination
TRUE/FALSE. Explain why the answer is true or false. 3) True or False: Assume that a species has a diploid chromosome number of 24. The term applied to an individual with 25 chromosomes would be triploid. 4) True or False: Inversions suppress crossing over by providing a chemical imbalance because of breakpoints within certain genes. e or False: Individuals with familial Down syndrome are trisomic and have 47 chromosomes. 6) True or False: An...
The key factor that controls the initial rate of an enzyme catalysed reaction (Vo) is the...
The key factor that controls the initial rate of an enzyme catalysed reaction (Vo) is the concentration of the substrate of the reaction ([S]). In Damon's Michaelis-Menten experiment, the highest concentration of substrate used was 500 UM. What do you think will happen to the reaction velocity if higher concentrations of substrate were used? Select one: a. Vo will reach a plateau at higher (S) values O b. Vo will increase exponentially as (S) is increased O c. Vo will...
Which statement about enzyme catalysis is false? All of the active site amino acids are next to each other in the primary sequence. Enzymes speed up reactions by forming specific non-covalent bonds between the enzyme amino acids and the transition state molecule. Some enzymes require other molecules, called cofactors, to carry out chemical reactions. Generally, the most important amino acids for an enzyme's function are those in the active site. Question 6 1 pt When [S] is much more than...
The rate of an enzyme-catalyzed reaction initially increases with an increase in the substrate concentration, but eventually reaches a maximum value, even though the concentration of substrate continues to increase. Which of the following best explains why? O As substrate concentration increases, the substrates preferentially bind with each other instead of the active site of the enzyme, and no additional catalysis occurs. As substrate concentration increases, the active sites of all the enzyme molecules become occupied with substrate molecules, and...
Please answer all.... Thank you!
57) An enzyme binding site with a specific shape can bind only those having a complementary shape; thus, the shape of the protein molecule determines the specificity of the binding site the affinity of the binding site the saturation of the binding site the counding strength of the binding site Two of the above are correct. 58) A cell is what it is because of the instructions it receives concerning the types of proteins (enzymes...
Please answer true or false. If false, explain why.
Please answer ALL questions or I'll thumbs
down!
2) Imagine an enzyme that has a histidine in the substrate binding pocket that regulates substrate binding based on its protonation state to control enzyme function. Substrates can only bind in the unprotonated state; in other words, substrate binding is blocked when the histidine is protonated and when the substrate is bound, the histidine cannot be protonated. This enzyme exhibits classical Michaelis-Menten behavior. a) Assume that the pka of the histidine in...
true or false, please give explaination
TRUE/FALSE. Explain why the answer is true or false. 3) True or False: Assume that a species has a diploid chromosome number of 24. The term applied to an individual with 25 chromosomes would be triploid. 4) True or False: Inversions suppress crossing over by providing a chemical imbalance because of breakpoints within certain genes. e or False: Individuals with familial Down syndrome are trisomic and have 47 chromosomes. 6) True or False: An...
The key factor that controls the initial rate of an enzyme catalysed reaction (Vo) is the concentration of the substrate of the reaction ([S]). In Damon's Michaelis-Menten experiment, the highest concentration of substrate used was 500 UM. What do you think will happen to the reaction velocity if higher concentrations of substrate were used? Select one: a. Vo will reach a plateau at higher (S) values O b. Vo will increase exponentially as (S) is increased O c. Vo will...
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