The cyclin/cyclin-dependent kinase pair that is active during the M phase of the cell cycle is
A) Cyclin A/CDC2.
B) Cyclin B/CDC2.
C) Cyclin D/CDK4/6.
D) Cyclin E/CDK2.
E) Cyclin A/CDK2.
Correct Answer:
Verified
Q2: An increase in cyclin D activity may
Q3: Histone deacetylase HDAC)enzymes
A)Promote initiation of transcription.
B)Complex with
Q4: When a cell is at G0,pRb is
A)Undetectable.
B)Unphosphorylated.
C)Hypophosphorylated.
D)Hyperphosphorylated.
E)Overexpressed.
Q5: pRb in cells undergoing differentiation will generally
Q6: Which of the following statements is NOT
Q8: The resting,nonproliferative phase of the cell cycle
Q9: In a normal cell,signals from the external
Q10: The critical decision point at which a
Q11: Levels of cyclin A are highest during
Q12: Cyclin D/CDK4/6 complexes can be inhibited by
A)p27Kip1.
B)p15INK4B.
C)p57Kip2.
D)p21Cip1.
E)AP-1.
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