Which step is NOT directly dependent on actin and myosin-mediated cytoskeletal contraction during cell motility?
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Correct answer: Polymerization of microtubules during mitosis
Polymerization of microtubules during mitosis is mediated by tubulin and microtubule dynamics, not actin-myosin contractility, which is responsible for protrusion, adhesion, and trailing-edge retraction in cell motility.
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