Which
one of the following statements concerning the role of calcium ions (Ca 2+ ) in the
contraction of skeletal muscle is
correct?

Question

Which
one of the following statements concerning the role of calcium ions (Ca 2+ ) in the
contraction of skeletal muscle is
correct?

Accepted Answer

A  rise  in intracellular Ca 2+  allows actin to interact with myosin

Answer

Ca 2+  have nothing to do with muscle contraction

Answer

The mitochondria act as a store of Ca2+ for the contractile process

Answer

A  fall  in intracellular Ca 2+  allows actin to interact with myosin

Answer

None of the answers are true

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