What structure within a skeletal muscle cell extends from Z line to Z line?
A) Sarcolemma
B) Sarcomere
C) Sarcoplasmic reticulum
D) A band
E) I band

Name: What structure within a skeletal muscle cell extends from Z line to Z line? A) Sarcolemma B) Sarcomere C) Sarcoplasmic reticulum D) A band E) I band
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Question

Quizplus · Accepted Answer

The sarcomere is the basic contractile unit of muscle fiber, extending from one Z line to the next, responsible for muscle contraction.

What Structure Within a Skeletal Muscle Cell Extends from Z