Question: The graph below, the time course of microfilament polymerization in vitro, shows three phases of growth. (a) Describe the biochemical events taking place during each

The graph below, the time course of microfilament polymerization in vitro, shows three phases of growth.
(a) Describe the biochemical events taking place during each phase. Assume that ATP is in excess.
(b) How might this graph look if ATP concentration becomes limiting as ATP is hydrolyzed by actin?

Amount of polymer

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