Enzyme labeling can be used to map the structure of the active site of an enzyme...
Enzyme labeling can be used to map the structure of the active site of an enzyme using an affinity label, a molecule that is structurally similar to the substrate. Which of the following statements about enzyme labeling is true?
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Enzyme labeling can be used to map the structure of the active site of an enzyme...
Reset Help noncompetitive enzyme irreversible acetylcholinesterase competitive active site 1. A inhibitor binds to a site...
Reset Help noncompetitive enzyme irreversible acetylcholinesterase competitive active site 1. A inhibitor binds to a site on the enzyme that is not the active site. 2. Insecticides and nerve gases act as irreversible inhibitors of nerve conduction. an enzyme needed for 3. A inhibitor has a structure that is so similar to the substrate that it can bond to the enzyme just like the substrate. 4. Usually, an nhibitor forms a covalent bond with an amino acid side group within...
The substrate of an enzyme binds at the Group of answer choices affinity site. active site....
The substrate of an enzyme binds at the Group of answer choices affinity site. active site. completion site. reaction site. allosteric site.
7. Explain the basics of enzyme function and structure (sketch an enzyme and label the active...
7. Explain the basics of enzyme function and structure (sketch an enzyme and label the active site, allosteric site, where the substrate binds, where competitive and non-competitive inhibitors bind). Include how many different reactions can be catalyzed by an enzyme and how many times an enzyme can catalyze that reaction.
The characteristics of the active site microenvironment of an enzyme can be largely independent of individual...
The characteristics of the active site microenvironment of an enzyme can be largely independent of individual catalytic mechanisms. In general, active site microenvironments promote catalysis in which of the following ways? Choose one or more: o A. excluding excess water O B. providing salt bridges between the active site and the substrate in order to stabilize the interaction between the two O C. providing an optimized orientation of the substrate O D. decreasing the AG# of the reaction
The characteristics of the active site microenvironment of an enzyme can be largely independent of individual...
The characteristics of the active site microenvironment of an enzyme can be largely independent of individual catalytic mechanisms. In general, active site microenvironments promote catalysis in which of the following ways? Choose one or more: O A. providing salt bridges between the active site and the substrate in order to stabilize the interaction between the two O B. providing an optimized orientation of the substrate O C. excluding excess water O D. decreasing the AG* of the reaction
Enzyme 6. Where do substrates bind on an enzyme? A. allosteric site B. active site C....
Enzyme 6. Where do substrates bind on an enzyme? A. allosteric site B. active site C. receptor D. ion channel 7. Enzymes are capable of increasing the rate of a chemical reaction through which of the following means? A. changing AG from positive to negative B. reducing the activation energy C. changing the equilibrium point of the reaction D. increasing kinetic energy 8. When a molecule can occupy the same active site as the substrate, a situation called can result...
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...
1. Protein kinases phosphorylate target enzymes and as a result enzymes become activated or inactivated. Which...
1. Protein kinases phosphorylate target enzymes and as a result enzymes become activated or inactivated. Which of the statements are TRUE? (Multiple answers: You can select more than one option) A. Phosphorylated enzymes behave like competitive inhibitors B The presence of a phosphate acts as a non-competitive inhibitor/activator. No change in Km but significant change in Vmax C. The presence of a phosphate group induces a conformational change that modifies the affinity and catalytic ability of a target enzyme D....
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...
1. Complete the following sentences Word bank: competitive, noncompetitive, allosteric site, oxaloacetate, active site, different from,...
1. Complete the following sentences Word bank: competitive, noncompetitive, allosteric site, oxaloacetate, active site, different from, similar to, succinate Oxaloacetate would be a reversible ______ inhibitor because the structure of oxaloacetate is ______ the structure of succinate, the substrate for the enzyme. As a _____ inhibitor, oxaloacetate would bind to the ______ of the enzyme. Increasing the concentration of _______, the substrate for the reaction, would reverse the effect of the _____ inhibitor. 2. Complete the following sentences The ______...
Reset Help noncompetitive enzyme irreversible acetylcholinesterase competitive active site 1. A inhibitor binds to a site on the enzyme that is not the active site. 2. Insecticides and nerve gases act as irreversible inhibitors of nerve conduction. an enzyme needed for 3. A inhibitor has a structure that is so similar to the substrate that it can bond to the enzyme just like the substrate. 4. Usually, an nhibitor forms a covalent bond with an amino acid side group within...
The characteristics of the active site microenvironment of an enzyme can be largely independent of individual catalytic mechanisms. In general, active site microenvironments promote catalysis in which of the following ways? Choose one or more: o A. excluding excess water O B. providing salt bridges between the active site and the substrate in order to stabilize the interaction between the two O C. providing an optimized orientation of the substrate O D. decreasing the AG# of the reaction
The characteristics of the active site microenvironment of an enzyme can be largely independent of individual catalytic mechanisms. In general, active site microenvironments promote catalysis in which of the following ways? Choose one or more: O A. providing salt bridges between the active site and the substrate in order to stabilize the interaction between the two O B. providing an optimized orientation of the substrate O C. excluding excess water O D. decreasing the AG* of the reaction
Enzyme 6. Where do substrates bind on an enzyme? A. allosteric site B. active site C. receptor D. ion channel 7. Enzymes are capable of increasing the rate of a chemical reaction through which of the following means? A. changing AG from positive to negative B. reducing the activation energy C. changing the equilibrium point of the reaction D. increasing kinetic energy 8. When a molecule can occupy the same active site as the substrate, a situation called can result...
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...
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...
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