Which of the following statements is false?

Which of the following statements is false?



(a) Mitotic Cdk must be phosphorylated by an activating kinase (Cak) before it is active.
(b) Phosphorylation of mitotic Cdk by the inhibitory kinase (Wee1) makes the Cdk inactive, even if it is phosphorylated by the activating kinase.
(c) Active M-Cdk phosphorylates the activating phosphatase (Cdc25) in a positive feedback loop.
(d) The activating phosphatase (Cdc25) removes all phosphates from mitotic Cdk so that M-Cdk will be active.



Answer: 




Learn More :