Myofibrils Are

question 15

Multiple Choice

Myofibrils are

• A) Single filament systems that can interact to produce force
• B) Equivalent of muscle cells with a cell membrane that surrounds the myofibrils
• C) Chain of mitochondria between the contractile elements
• D) Bundles of myofilaments within the muscle fiber
• E) Cytoskeletal matrix that joins the contractile elements to the extracellular matrix

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