Impulses conducted along the transverse tubules of the muscle fiber stimulate  

A.  the release of ATP.
B.  the binding of actin to the Z lines.
C.  tropomyosin and troponin binding.
D.  the release of calcium ions.
E.  the release of acetylcholine.


D.  the release of calcium ions.

Biology & Microbiology

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What will be an ideal response?

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