Place the following events involved in drug addiction in the correct sequence.
I-The synapse becomes less sensitive, and normal function can only continue in the presence of the drug.
II-CNS responds to increased firing by decreasing the number of drug receptors on the cell membrane.
III-Drug molecule prevents receptor endocytosis and causes overstimulation of the postsynaptic cell.
A. I, II, III
B. III, II, I
C. II, III, I
D. III, I, II
B. III, II, I
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What is the correct term for proteins embedded in the plasma membrane that form a gap junction?
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Opsonins are antimicrobial peptides that play an important role in the innate immunity of the
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