After a Muscle Cell Contracts,which of the Following Must Occur

question 11

Multiple Choice

After a muscle cell contracts,which of the following must occur for the muscle to stop contracting?

• A)Calcium ions must be pumped back into the endoplasmic reticulum
• B)Calcium ions must be pumped out of the muscle cell
• C)Calcium ions must flow out of the endoplasmic reticulum
• D)Calcium ions must flow into the muscle cell
• E)Calcium ions must flow out of the muscle cell

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