Respuesta :
Answer:
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.
Hope this helps. :)

Answer:
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.
Hope this helps. :)