MUSCLE NERVE CARTILAGE BONE
SMOOTH MUSCLE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following marks the end of a sarcomere?
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H zone
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Z disc
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M line
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A band
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Explanation:
Detailed explanation-1: -The actin filaments are attached to Z discs, each of which marks the end of a sarcomere. The sliding of the filaments pulls the Z discs of a sarcomere closer together, thus shortening the sarcomere.
Detailed explanation-2: -Z-discs can be defined as plate-like structures in sarcomeres to which the plus ends of actin filaments are localized, or they can be defined as the centre of the I-band.
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