Ionic EquilibriumHard
Question
The H-zone in the skeletal muscle fibre is due to :
Options
A.extension of myosin filaments in the central portion of the A-band
B.the absence of myofibrils in the central portionof A-band
C.the central gap between myosin filaments in the A-band
D.the central gap between actin filamentsextending through myosin filaments in the A-band
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