Which is the key component that phosphorylates many different proteins at appropriate times to promote cell through stages of cell cycle()
A. Phosphatase
B. Cyclin-dependent kinase
Cyclins
D. Tyrosine kinase
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DNA is replicated during()
A. G1 phase
B. S phase
C. Telophase
D. M phase
Cdk4/cyclin D functions in()
A. G1 phase
B. G2 phase
C. M phase
D. S phase
Sarcomere is ()
A segment extending from one Z-line to the next Z-line in muscle fiber
B. A segment extending from one Z-line to the next Z-line in myofibril
C. A segment extending from one M-line to the next M-line in muscle fiber
D. A segment extending from one M-line to the next M-line in myofibril
E. A segment extending from one H band to the next H band in myofibril
During fertilization, spermatozoon enter ()
A. oogonia
B. primary oocyte
C. secondary oocyte
D. secondary follicle
E. primordial follicle
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