The AIDS drug AZT is derived from ____

a. gorgonians
b. sponges
c. corals
d. snails
e. sea anemones


ANSWER: b

Biology & Microbiology

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LSD binds receptors that normally bind

A) dopamine. B) serotonin. C) epinephrine. D) trace amines.

Biology & Microbiology

Which of the following types of bonds require electrons to be shared between atoms?

a. non-polar covalent only b. polar covalent only c. ionic only d. both polar and non-polar covalent

Biology & Microbiology

Four of the five structures listed below belong to the

same sense. Select the exception. a. otolith b. vestibular apparatus c. semicircular canal d. cochlea e. saccule

Biology & Microbiology

Based on the graph, the threshold voltage appears to be approximately

A) +60 mV. B) +30 mV. C) 0 mV. D) ?30 mV. E) ?60 mV.

Biology & Microbiology