Podcast
Questions and Answers
What is the role of the active site in an enzyme?
What is the role of the active site in an enzyme?
- It is where the substrate molecule binds and undergoes catalytic transformation (correct)
- It is where the enzyme's protein conformation is determined
- It is where the enzyme is regulated by external agents
- It is where water-soluble vitamins bind as coenzymes
What is a defining property of enzymes in terms of substrate specificity?
What is a defining property of enzymes in terms of substrate specificity?
- They can bind only one substrate (correct)
- They can only bind water-soluble substrates
- They have no specificity for any substrate
- They can catalyze multiple different reactions
What is the function of the amino acid residues in the active site of an enzyme?
What is the function of the amino acid residues in the active site of an enzyme?
- To bind the substrate and catalyze its chemical transformation (correct)
- To bind the coenzymes during catalysis
- To regulate the enzyme's catalytic activity
- To provide structural support to the enzyme
What is the role of water-soluble vitamins in enzymatic reactions?
What is the role of water-soluble vitamins in enzymatic reactions?
How do enzymes increase the speed of a chemical reaction?
How do enzymes increase the speed of a chemical reaction?
What allows enzymes to have high specificity in their catalytic activity?
What allows enzymes to have high specificity in their catalytic activity?
What is the function of enzymes in a chemical reaction?
What is the function of enzymes in a chemical reaction?
What is the maximum rate of a reaction when the enzyme is saturated with substrate?
What is the maximum rate of a reaction when the enzyme is saturated with substrate?
In enzymatic kinetics, what does V0 represent?
In enzymatic kinetics, what does V0 represent?
Which factor does NOT affect the reaction rate in enzymatic kinetics?
Which factor does NOT affect the reaction rate in enzymatic kinetics?
What is the characteristic feature of a regulatory enzyme?
What is the characteristic feature of a regulatory enzyme?
What is the specific site on an allosteric protein molecule to which the modulator or effector molecule binds?
What is the specific site on an allosteric protein molecule to which the modulator or effector molecule binds?
In reversible covalent modification, which process modulates the activity of the enzyme?
In reversible covalent modification, which process modulates the activity of the enzyme?
What is the protein portion of an enzyme called?
What is the protein portion of an enzyme called?
What type of molecule is coenzyme Q?
What type of molecule is coenzyme Q?
