Question
Biology Question on Muscle
The H-zone in the skeletal muscle fibre is due to
A
The absence of myofibrils in the central portion of A-band
B
The central gap between myosin filaments in the A-band
C
The central gap between actin filaments extending through myosin filaments in the A-band
D
Extension of myosin filaments in the central portion of the A-band
Answer
The central gap between actin filaments extending through myosin filaments in the A-band
Explanation
Solution
The correct option is (C): The central gap between actin filaments extending through myosin filaments in the A-band.