1
Q:
A) fixed structural unit within a myofibril bounded by Z lines. | B) moveable structural unit within a myofibril bounded by H zones. |
C) moveable structural unit within a myofibril bounded by Z lines. | D) fixed structural unit within a myofibril bounded by A bands. |
Answer: C) moveable structural unit within a myofibril bounded by Z lines.
Explanation:
Explanation: