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The H-zone in the skeletal muscle fibre ...

The H-zone in the skeletal muscle fibre is due to

A

The central gap between actin fila- ments extending through myosin fil- aments in the A-band

B

Extension of myosin filaments in the central portion of the A-band.

C

The absence of myofibrils in the central portion of A-band

D

The central gap between myosin fila- ments in the A-band.

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Knowledge Check

  • Retting of fibres is due to

    A
    Nitrobacter
    B
    Rhizobium
    C
    Clostridium
    D
    Bacillus
  • The H-zone of muscle fibre

    A
    Only actin present
    B
    Only myosin present
    C
    Both actin and myosin present
    D
    Only tropamyosin present.
  • Progressive degeneration of skeletal muscle, mostly due to genetic disorder occurs in

    A
    arthritis
    B
    myasthenia gravis
    C
    osteoporosis
    D
    muscular dystrophy
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