Which of the following is false about dynamic instability of a microtubule end?
A) During a growth phase, assembly of GTP-tubulin is faster than incorporated GTP is hydrolyzed, forming a GTP-cap.
B) During a catastrophe phase, hydrolysis of incorporated GTP is faster than GTP-tubulin addition, forming a GDP-cap.
C) During rescue, GTP-tubulin assembles fast enough to reestablish a GTP cap.
D) Each end of a microtubule can undergo dynamic instability independently.
E) A, B, C, and D are true.
Answer: E
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