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candie07 candie07
wrote...
Posts: 16
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10 years ago
need some help with this essay question please???

In the laboratory, an isolated skeletal muscle (with its nerve attached) is placed in a solution that contains no calcium ions. The researcher then attempts to cause the muscle to contract two different ways.

Directly stimulating and depolarizing the muscle's sarcolemma
Stimulating the nerve that leads to the muscle
Which method would cause the muscle to contract, number 1 or 2? Explain your choice.
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