An <u><em>antidepressant</em></u> such as Prozac mimics the effects of the nurotransmitter serotonin, whereas a <em><u>dopamine antagonist</u></em> include antipsychotic drugs that block the action of theneurotransmitter dopamine.
Proteins for sure because lipids don't have enough antigen
DNA probably. It might be one of the latter rungs too, thymine, and 2 others I forgot
Just saying it says 8 points ya little baka