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Questions and Answers
What is the role of a cofactor?
What is the role of a cofactor?
- To have no effect on enzyme activity
- To regulate gene expression
- To promote enzyme activity (correct)
- To inhibit enzyme activity
Which of the following is a common type of cofactor?
Which of the following is a common type of cofactor?
- Metal ion (correct)
- Amino acid
- Nucleic acid
- Lipid
How do cofactors differ from coenzymes?
How do cofactors differ from coenzymes?
- Cofactors are essential for enzyme activity, while coenzymes have no effect on enzyme activity
- Cofactors are organic molecules, while coenzymes are inorganic molecules
- Cofactors bind tightly to enzymes, while coenzymes bind loosely (correct)
- Cofactors are small molecules, while coenzymes are large protein molecules
What happens if a cofactor is absent from an enzyme-catalyzed reaction?
What happens if a cofactor is absent from an enzyme-catalyzed reaction?
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