What type of proteins are present at chemical synapses to ensure the close proximity of the presynaptic and postsynaptic membranes?

A. Myelin
B. Terminal boutons
C. Connexins
D. Cell adhesion molecules (CAMs)


Answer: D

Anatomy & Physiology

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Pepsinogen is produced by ________ and is activated by ________, which is secreted by ________.

A. chief cells; hydrochloric acid (HCl); parietal cells B. parietal cells; carbonic anhydrase (CAH); chief cells C. parietal cells; hydrochloric acid (HCl); chief cells D. chief cells; carbonic anhydrase (CAH); parietal cells E. enteroendocrine cells; carbonic anhydrase (CAH); parietal cells

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In the formula v2 = v1 , what is known about acceleration?

A. acceleration = -9.81 m/s2 B. acceleration = 0 C. both A and B D. need more information

Anatomy & Physiology

Name the reflex where muscles contract in response to stretching within the muscle.

Anatomy & Physiology