PHYSIOLOGY
SKELETAL MUSCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The middle of a sarcomere is called the
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m line
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z line
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A band
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I band
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Explanation:
Detailed explanation-1: -M line: M line contains the protein called myomesin and it marks the centre of the sarcomere. H zone: it is the area between the M line and Z disc and this zone contains only the myosin.
Detailed explanation-2: -M-line (mittel line or middle line), a structure in a muscle sarcomere.
Detailed explanation-3: -The M-band is the transverse structure in the center of the sarcomeric A-band, which is responsible both for the regular packing of thick filaments and for the uniform distribution of the tension over the myosin filament lattice in the activated sarcomere.
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