10
AssignmentMultiple Choice

Cell Growth and Organization

Question 10 • Health Science Concepts A1 – EDGNTY-83861 26-27

What is the relationship between CdKs and cyclins?

Answer
A
Cyclins activate CdKs during the cell cycle.
B
Cyclins are deactivated by CdKs during the cell cycle.
C
Cyclins and CdKs act independently of one another.
D
Cyclins create CdKs that are used during the cell cycle.

Explanation

Cyclins bind to cyclin-dependent kinases (CdKs) and activate them. The active cyclin-CdK complexes help regulate the cell’s progress through different stages of the cell cycle. Cyclins do not create CdKs; they control the activity of CdKs that are already present.

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