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Question

Myosin filaments are localized in

A
Z-Band
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B
H-Band
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C
A-Band
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D
None of the above
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Solution

The correct option is C A-Band
  • Each myofibril (muscle filament)has alternate dark and light bands on it.
  • The light bands contain actin and are called I-band or Isotropic band, whereas the dark band called ‘A’ or Anisotropic band contains Myosin.
  • Myosin filaments are also called as Thick filaments.
  • Hence Myosin filaments are localized in A-Band.
  • So, the correct answer is 'A-Band'.

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