Multiple Choice
Select the incorrect statement related to muscles and muscle fibers.
A) Muscle fibers are composed of myofibrils.
B) Myofibrils are components of segments known as Z lines.
C) Stacks of thick myofibrils produce dark bands,called the A band.
D) I bands are composed of thin myofilaments.
E) Sacromeres are the smallest subunits of muscle contraction.
Correct Answer:

Verified
Correct Answer:
Verified
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