The answer is: "dopamine" .
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The best and most correct answer among the choices provided by your question is The best and most correct answer among the choices provided by your question is the last choice.
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Kingdom Protista is not valid under evolutionary classification because they evolved before any other kingdom, and as such share a most recent common ancestor with each other, as opposed to any other group.</span>
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A 5-carbon base, C,A,G,T are the 5 bases available
Gravitational potential energy