Which of the following statements about the stimulation of muscle cells is true?

A. Neurotransmitters are released into the synapse between two muscle cells.
B. An action potential in a muscle cell ultimately results in the release of calcium ions into the cell.
C. Calcium ions bind the actin-myosin complex to start the muscle contraction process.
D. Acetylcholine opens channels that allow calcium ions into the muscle cell.


Answer: B. An action potential in a muscle cell ultimately results in the release of calcium ions into the cell.

Biology & Microbiology

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What will be an ideal response?

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