The structural explanation of how a muscle fiber contracts is called the

A) myosin spiral theory.
B) thin filament theory.
C) sliding filament theory.
D) cross-bridge connection.
E) active site rule.


Answer: C

Anatomy & Physiology

You might also like to view...

The internal intercostal muscles are inspiratory muscles because they lift the ribs upward and outward to enlarge the thoracic cavity

Indicate whether the statement is true or false

Anatomy & Physiology

A movement away from the midline of the body is termed

A) inversion. B) abduction. C) adduction. D) flexion. E) extension.

Anatomy & Physiology

Which of the following terms refers to the thumb?

A. Pollicis B. Hallucis C. Lumbrical D. Peroneus E. Indicis

Anatomy & Physiology

A drug called a "monoamine-oxide inhibitor" might be expected to cause

A) increased levels of norepinephrine at a synapse. B) decreased levels of acetylcholine at a synapse. C) presynaptic inhibition. D) increased permeability to calcium.

Anatomy & Physiology