The region of the sarcomere that always contains thin filaments is the
a) A band.
b) M line.
c) I band.
d) Z line.
e) H band.
Answer: C
The region of the sarcomere that always contains thin filaments is the
a) A band.
b) M line.
c) I band.
d) Z line.
e) H band.
Answer: C