Answer:
Elements are made up of only one type of atom.
Each element has a unique chemical symbol.
Elements can be identified by their atomic number.
I think it’s option B
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Answer:
QUESTION:
amino acids come from which type of organic molecule?
ANSWER:
<em><u>Proteins</u></em>
Proteins are polymers made up of nitrogen-containing monomers called amino acids. An amino acid is a molecule composed of an amino group and a carboxyl group, together with a variable side chain.
Explanation:
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