Each muscle fibre is surrounded by membrane which is called:
Correct answer: B. Sarcolemma
- A. Sarcomere
- B. Sarcolemma
- C. Twitch fibre
- D. Capsule
Explanation
Each muscle fiber is surrounded by the sarcolemma, which also contains the cytoplasm of the cell.
This question appeared on the UHS MDCAT 2012 paper, which you can sit online with every answer explained.
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About Muscles
Muscles covers skeletal, smooth and cardiac muscle, their microscopic structure and the roles of tendons, myofibrils, actin and myosin. It explains the sliding filament mechanism, sarcomere shortening, neuromuscular transmission and calcium regulation, while distinguishing voluntary skeletal movement from involuntary contraction in smooth and cardiac muscle.
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