Cyclin-dependent kinase (Cdk) is ________.(2.5)
选项:
A: inactive, or "turned off," in the presence of cyclin
B: present only during the S phase of the cell cycle
C: an enzyme that removes hydroxyl groups from growth hormones
D: the enzyme that catalyzes the attachment of chromosomes to microtubules
E: an enzyme that attaches phosphate groups to other proteins
发布时间:2024-05-16 12:12:46