PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the length between Z-lines of an actin molecule called?
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fascicle
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sarcomere
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myosin binding site
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sarcoplasmic length
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Explanation:
Detailed explanation-1: -The theoretical optimal sarcomere length ranges from 2.30 to 2.47 m (Walker and Schrodt, 1974; Gokhin et al., 2014).
Detailed explanation-2: -The Z-band (Z-line, Z-disc) defines the boundary of the sarcomere in striated muscle and bisects the I-band of neighbouring sarcomeres (Fig. 1a) [1].
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