Dystrophin, the Protein That Is Affected by Muscular Dystrophy, Normally

question 77

Multiple Choice

 Dystrophin, the protein that is affected by muscular dystrophy, normally acts to

• A) protect muscle fiber membranes during movement.
• B) clear the interior of muscle fibers of excess calcium.
• C) allow myosin and actin to interact during muscle contraction.
• D) protect muscle spindles from too much stretching during movement.

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