Answer:
1. Condensation.
2. Hydrolysis.
3. Amino group (Amine).
4. Carboxyl group.
5. Amino group.
Explanation:
a. A reaction that results in the formation of water as an end product: condensation.
b. A reaction that requires water as a reactant: hydrolysis.
c. A functional group on an amino acid that is polar and can become positively charged: amino group (amine).
d. A functional group on an amino acid that is polar and can become negatively charged: carboxyl group.
e. A functional group that is basic and part of the amino acid backbone: amino group (amine).