Which of the Following Properties Is Associated with a Cyclin-Dependent

question 7

Multiple Choice

Which of the following properties is associated with a cyclin-dependent kinase (Cdk) ?

• A) A Cdk is inactive, or "turned off," in the presence of a cyclin.
• B) The number of Cdk molecules increases during the S and G₂ phases and decrease during M.
• C) A Cdk is an enzyme that catalyzes the attachment of kinetochores to microtubules.
• D) A Cdk is an enzyme that attaches phosphate groups to other proteins.