Which of the following statements about microtubules is, Ask an Expert

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Which of the following statements about microtubules is true?

a. motor proteins move in a directional fashion along microtubules by using the inherent structural polarity of a protofilament.
b. the centromere nucleates the microtubule of the mitotic spindle
c. because micrtubules are subject to dynamic instability, they are used only for transient structures in a cell
d. ATP hydrolysys by a tubulin heterodimer is important for controlling the growth of a microtubule

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Category:- Biology
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