Diff: 1 Page Ref: 312 28) One functional unit of a skeletal muscle is ________.
A. a sarcomere
B. a myofilament
C. a myofibril
D. the sarcoplasmic reticulum
Answer:A
Diff: 1 Page Ref: 312 28) One functional unit of a skeletal muscle is ________.
A. a sarcomere B. a myofilament C. a myofibril D. the sarcoplasmic reticulum