An amino acid molecule includes a central carbon atom bonded to , a carboxyl group, and a hydrogen atom.

The answer is an amine group.

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an amino group

Explanation:

All amino acids have a central carbon atom bonded to a hydrogen atom, a carboxyl group (COOH), an amino group (NH₂), and an R-group.

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it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).