Smooth muscle cells lack which protein(s)?

A) troponin only
B) actin only
C) myosin only
D) troponin and tropomyosin
E) tropomyosin only


A) troponin only

Anatomy & Physiology

You might also like to view...

Hypercalcemia causes muscle tetany

Indicate whether the statement is true or false

Anatomy & Physiology

Loss of equilibrium and motor coordination would most likely be related to a lesion in which structure?

A. Limbic system B. Pons C. Medulla oblongata D. Cerebellum E. Pituitary gland

Anatomy & Physiology

The type of contraction in which the muscle fibers do not shorten is called

A) isotonic B) isometric C) concentric D) treppe E) tetany

Anatomy & Physiology

The gubernaculum is represented postnatally by which of the following structures?

(A) tunica vaginalis testes (B) processus vaginalis (C) ductus deferens (D) scrotal ligament (E) internal spermatic fascia

Anatomy & Physiology