Molecular motors:

a. are transporter proteins
b. attach to the particle to be transported
c. do not use energy from ATP to function properly
d. a and b
e. all of the above


D

Anatomy & Physiology

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During the citric acid cycle, both NAD and FAD ________ a hydrogen atom and become ________

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In the following illustration, the arrow points to the:

A) left vagus nerve. B) left sympathetic trunk. C) left phrenic nerve. D) left internal thoracic artery. E) hemiazygos vein.

Anatomy & Physiology

Air moves into the lungs during inspiration due to the force of __________.

A. the diaphragm B. the abdominal muscles C. atmospheric pressure D. the external intercostal muscles

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The presence of water in our bodies allows us to

A. cool the body with sweat. B. maintain a fairly constant body temperature. C. provide an environment for chemical reactions. D. keep tissues moist and reduce friction. E. All of these choices are correct.

Anatomy & Physiology