Indicate whether each of the following phosphorylation events typically activate
ID: 208064 • Letter: I
Question
Indicate whether each of the following phosphorylation events typically activates (A) or inactivates (I) the protein that is being phosphorylated. The correct answer will be a four-letter string composed of letters A and I only, e.g. IIIA.
( A ) Phosphorylation of Cdc25 by M-Cdk
( A ) Phosphorylation of condensin subunits by M-Cdk
( A ) Phosphorylation of APC/C by M-Cdk <<<< NOT SURE BUT, since (synthesis increases during the approach to mitosis
phosphorylation of APC/C (by M-Cdk) helps Cdc20 bind to APC/C)...
( I ) Phosphorylation of Ndc80 subunits by Aurora-B
I think the answer is AAAI
Explanation / Answer
Yes, you are right. The answer is AAAI.
The correct answer will be:
AAAI
During the M-Phase of Cellular replication,chromosomes are duplicated and other cell contents are distributed equally between the two daughter cells. The events of mitosis are triggered by M-Phase Cyclin-Cdk Complexes. Phosphorylation of Cdc25 by M-Cdk shows activation. Phosphorylation of condensin subunits by M-Cdk shows activation. Phosphorylation of APC/C by M-Cdk shows activation. Phosphorylation of Ndc80 subunits by Aurora-B shows inactivation.