Two sea urchin proteins were named cyclin A and B because, during the embryonic cell cycle, they were periodically
A) activated and inactivated by phosphorylation and dephosphorylation.
B) synthesized and degraded.
C) bound and released by another protein.
D) ubiquitylated and nonubiquitylated.
Correct Answer:
Verified
Q16: Maturation promotion factor (MPF), discovered by Masui
Q17: MPF is a
A) monomeric protein kinase.
B) dimer
Q18: MPF is a general regulator of the
Q19: The passage of a cell through the
Q20: Studies on cell cycle mutants in budding
Q22: To become active, Cdk1 must
A) bind cyclin.
B)
Q23: Cdks bind to cyclin and are activated
Q24: Which cyclin(s) is(are) required to pass the
Q25: Passage of animal cells through the cell
Q26: The retinoblastoma protein (Rb) binds to and
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