Answer:
4
Explanation:
because it needs all the other stuff
Amino acid<span>, </span>any of a group of organic molecules that consist of a basic amino group (−NH2<span>), an acidic carboxyl group (−COOH), and an organic </span>R<span> group (or side chain) that is unique to each amino acid. </span>
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lol you spelled characteristics wrong and the aswer is they are made of proteins and glycoproteins
Answer:
Atomic radius decreases when moving right across the periods of the periodic table.
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