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Andre45 [30]
3 years ago
10

Which best describes the structure of the molecules that make up protein ??

Biology
2 answers:
valina [46]3 years ago
5 0
Carboxylic group+ amino group+ side chain
Zarrin [17]3 years ago
4 0
<span>Changing one amino acid in the protein hemoglobin causes sickle-cell anemia.</span>
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