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STD 11 - 17. Locomotion and movement — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 17. Locomotion and movement4 Marks
MCQ
Each myofibrils of muscles contains
  • A
    Regular dark bands
  • B
    Regular light bands
  • C
    Both $(a)$ and $(b)$
  • ✓
    Alternate dark and light bands
✓

Answer

Correct option: D.
Alternate dark and light bands
d
Each myofibrils contains alternate dark and light bands. Light bands contains actin and is called $I-$ band or isotropic band, whereas the dark bands are called A or anisotropic bands containing myosin

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