Cell movement involves the coordination of many events in the cell. Which of the following phenomena is not required for cell motility?
(a) Myosin-mediated contraction at the rear of the moving cell.
(b) Integrin association with the extracellular environment.
(c) Nucleation of new actin filaments.
(d) Release of Ca2+ from the sarcoplasmic reticulum.
Answer:

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