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velikii
1 month ago
14

A cyclin called cyclin E forms a complex with a cyclin-dependent kinase called Cdk 2. This complex is important for the progress

ion of the cell from G1 into the S phase of the cell cycle. Which of the following statements is most likely to be correct? A. The amount of Cdk 2 is greatest during G1. B. The amount of unbound cyclin E is lowest as the cell enters S. C. The activity of the cyclin E/Cdk 2 complex is highest during G2. D. The amount of unbound cyclin E is greatest during the S phase. E. The amount of Cdk 2 is greater during G1 compared to the S phase.
Biology
1 answer:
s2008m [2.3K]1 month ago
8 0
B. The levels of unbound cyclin E are at their lowest when the cell transitions into the S phase. Cell reproduction operates cyclically, governed by the specific needs of the cell. For mitosis, the transition from G1 to S to G2 to M is overseen by proteins like cyclins. In particular, passing from G1 to S requires cdK2. Cyclins are synthesized and degraded continuously throughout the cell cycle.
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