Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Human body
The H-zone in the skeletal muscle fiber is due to
1
the central gap between actin filaments extending through myosin filaments in the A-band
2
extension of myosin filaments in the central portion of the A-band
3
the absence of myofibrils in the central portion of A-band
4
More than one of the above
5
None of the above