Match the following and mark the correct option.
Column-I | Column-II | ||
(A) | Fast muscle fibres | (i) | Myoglobin |
(B) | Slow muscle fibres | (ii) | Lactic acid |
(C) | Actin filament | (iii) | Contractile unit |
(D) | Sarcomere | (iv) | I-band |
Text Solution
Verified by ExpertsNOT AVAILABLE
(i) Fast muscle fibres contract spontaneously and reach anaerobic conditions in shorter time, so lactic acid accumulate faster in the muscles.
(ii) Slow muscle fibres have better ability to endure, as they are not easily fatigued and contract slowly, it is because of accumulation of large amount of myoglobin in them.
(iii) Actin filament form the isotropic or I band in the muscle fibre.
(iv) Sarcomere is the contractile unit of skeletal muscle.
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