Myofibrils Are the Basic Structural Unit in the Contraction of Striated

question 22

Multiple Choice

Myofibrils are the basic structural unit in the contraction of striated muscle.What is the linear array of cylindrical structures they made of?

• A)t-tubules
• B)sarcomeres
• C)sarcolemmas
• D)sarcoplasmic reticulum (SR)

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