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

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.