Question

multiple choice question the sarcoplasm of a muscle fiber contains many parallel structures made of proteins. these structures are called
o fascicles
o sarcolemmas
o myofibrils
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Explanation:

Fascicles are bundles of muscle fibers. Sarcolemma is the plasma - membrane of a muscle fiber. Myofibrils are the parallel protein - based structures in the sarcoplasm of a muscle fiber.

Answer:

C. myofibrils