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Each myofibril has alternate dark and light bands on it. The light bands contain ______ and is called ___________________ (C), whereas the dark band called ________________________ (B) contains _______________ .

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( a ) actin, I-band or Isotropic band; ‘A’ or Anisotropic band, tropomyosin
( b ) myosin, H-zone; ‘A’ band, actin
( c ) actin, I-band or Isotropic band; ‘A’ or Anisotropic band, myosin
( d ) actin, Z line; ‘A’ or Anisotropic band, myosin

1 Answer

(C) is the right answer.

Each myofibril has alternate dark and light bands on it. The light bands contain actin and is called I-band or Isotropic band, whereas the dark band called ‘A’ or Anisotropic band contains myosin
answered Mar 26, 2014 by pady_1
 

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