Using the drop-down menus, label the parts of an amino acid.
Label A
Label B
Label C
A chain of 2 carbon atoms and a nitrogen atom is shown. Label B shows the middle carbon atom bonded to a hydrogen atom and an R group. Label C shows the other carbon atom double-bonded to an oxygen atom and single bonded to a hydroxyl group. Label A shows the nitrogen atom is bonded to 2 hydrogen atoms.