NEET Zoology Locomotion and Movement Questions Solved


The H-zone in the skeletal muscle fibre is due to:
(a) The central gap between myosin filaments in the (a)-band
(b) The central gap between actin filaments extending through myosin filaments in the (a) band
(c) Extension of myosin filaments in the central portion of the A - band
(d) The absence of myofibrils in the central portion of A - band

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