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Question

Protein molecules contributing to the appearance of anisotropic bands in sarcomere is

A
Actin
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B
Troponin
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C
Myosin
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D
Both a & c
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Solution

The correct option is D Both a & c
Anisotropic or A band is formed due to the overlapping of thin filament composed of Actin and thick filament composed of myosin. Interaction between these filaments in the A band is responsible for muscle contraction.

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