- Sarcomeres are the fundamental units of muscle contraction in striated muscle (skeletal and cardiac). - Each sarcomere is bounded by Z lines. - They contain myofilaments (actin and myosin) arranged in a specific pattern. - Sarcomeres shorten during muscle contraction.
Which of the following statement/s is/are true for sarcomere ? (a) A sarcomere is any segment of the fibre. (b) It is a unit of histological structure and physiological action.
Asked in MPSC CS Prelims 2020 · Topic: Skeletal and Muscle System (Skeletal Muscle Structure: Gross and Microscopic Anatomy)
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