Which of the following is not involved in the separation of paired chromatids and their movement to opposite poles?
a. Sister chromatids attach to microtubules in opposite halves of the spindle.
b. Separase hydrolyzes cohesion, allowing chromatid separation.
c. Tubulin fibers move the chromatids away from the equatorial plate.
d. Polar microtubules push the chromatids to the poles.
e. ATP is hydrolyzed by cytoplasmic dynein.
Ans: d. Polar microtubules push the chromatids to the poles.
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