Figure 7-1 Structural Components of a Skeletal Muscle Fiber
Use Figure 7-1 to identify the labeled part.
-Structure C is the
A) myofibril.
B) Z line.
C) sarcoplasmic reticulum.
D) T tubule.
E) myofilament.

Question

Figure 7-1 Structural Components of a Skeletal Muscle Fiber
Use Figure 7-1 to identify the labeled part.
-Structure C is the
A) myofibril. 
B) Z line. 
C) sarcoplasmic reticulum. 
D) T tubule. 
E) myofilament.

Quizplus · Accepted Answer

Structure C is labeled as the sarcoplasmic reticulum, which is a specialized network of tubules that stores and releases calcium ions during muscle contraction.