The repeating unit of a skeletal muscle fiber is the

A) sarcolemma.
B) sarcomere.
C) sarcoplasmic reticulum.
D) myofibril.
E) myofilament.


B

Anatomy & Physiology

You might also like to view...

Which labeled structures in the figure are canaliculi?

a) A b) B c) C d) D e) E

Anatomy & Physiology

In the coronary circulation, oxygen-rich blood is provided to the heart muscle by the ________

A) great middle and small cardiac veins B) right and left coronary arteries C) coronary sinus

Anatomy & Physiology

What type of muscle is found attached to bones?

A. cardiac muscle B. skeletal muscle C. smooth muscle

Anatomy & Physiology

In the common pathway of coagulation, what factor combines with factor Va and calcium ions to form prothrombin activator?

A) XIIa B) VIIa C) IXa D) Xa

Anatomy & Physiology