Which of the Following Is False About Dynamic Instability of a Microtubule

question 54

Multiple Choice

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.

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