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Question

Tropomyosin is found on myosin whereas, troponin is found on actin filament.

A
True
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B
False
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Solution

The correct option is B False
Troponin and tropomyosin are the integral proteins that are present on the actin filaments.
When the calcium ion binds to the troponin, tropomyosin frees the actin filament, so that myosin head can join actin. This results in the contraction of muscle.

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