One sarcomere
A) extends from Z line to Z line.
B) is composed of many myofibrils.
C) contains only actin fibers.
D) is composed of many muscle fibers.
E) surrounds each muscle in the body.

Name: One sarcomere A) extends from Z line to Z line. B) is composed of many myofibrils. C) contains only actin fibers. D) is composed of many muscle fibers. E) surrounds each muscle in the body.
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Question

Quizplus · Accepted Answer

A sarcomere extends between two dark vertical lines called Z lines.

One Sarcomere