Each of the Following Is an Activity of a Microtubule

Multiple Choice

Each of the following is an activity of a microtubule motor protein during mitosis except

A) shortening kinetochore microtubules.
B) pulling kinetochore microtubules in at centrosomes.
C) pushing interpolar microtubules for anaphase B.
D) pulling astral microtubules toward the cell cortex.
E) All of the above are activities of microtubule motors.