A) I-zone
B) Z-zone
C) H-zone
D) M-zone
Correct Answer: C
Solution :
According to sliding filament theory, when a fibril contracts its A bands remain intact, while the I bands progressively shorten and eventually disappear. At this stage, H zones also disappear because the active filaments of both the sides in each sarcomere may even overlap each other at the M line and Z lines and touch the ends of myosin filaments.
You need to login to perform this action.
You will be redirected in
3 sec
