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.
Correct Answer:
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A)dynamically unstable.
B)anchored on basal bodies.
C)randomly
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A)bacteria.
B)archaea.
C)eukaryotes.
D)B and C
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A)muscle contraction.
B)cytoplasmic streaming.
C)cell division.
D)maintenance of
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