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The following diagram shows a thin myofi...

The following diagram shows a thin myofilament of striated muscle fibre. Choose the option that correctly identifies a part of it along with its feature.

A

A - Tropomyosin, it is distributed at regular intervals and has three subunits

B

A - Troponin, a subunit of it masks the active binding sites for myosin on the actin filaments

C

B - Troponin, two filaments of it run close to the 'F' actins throughout its length

D

C- 'G' actin, it is a polymer of 'F' actins

Text Solution

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The correct Answer is:
B
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