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The inactivation of M-Cdk is through the Cdc20-APC activity, what activates Cdc-20-APC?(a) G1-Cdk(b) G1-S-Cdk(c) S-Cdk(d) M-CdkThe question was asked in final exam.This intriguing question comes from Overview of Cell Reproduction in chapter Chromosomal Changes During Meiosis of Cytogenetics

Answer»

Right answer is (d) M-Cdk

To elaborate: M-Cdk itself promotes the ubiquitine lygase that MARKS M-cyclin for DESTRUCTION, THEREBY inactivating M-Cdk. This HELPS in ANAPHASE.



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