PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Band comprised of thin filaments only (ie. shows up light)
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I band
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A band
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H Zone
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M Line
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Explanation:
Detailed explanation-1: -Thick and thin filaments, which comprise the myofilaments, are composed primarily of the proteins myosin and actin, respectively, and the light band of the sarcomere is the portion where only thin filaments are present and the dark band is where both thick and thin filaments are present.
Detailed explanation-2: -I bands are composed of thin actin filaments and proteins that bind actin and they are bisected by the Z line.
Detailed explanation-3: -The I-band is the region containing only thin filaments. The H-zone contains only thick filaments. The A-band contains both thick and thin filaments and is the center of the sarcomere that spans the H zone.
There is 1 question to complete.