Answer
Positive charges: Amino group and the Imino group
Negative charge: Carboxyl late group, Phosphoryl group, Phosphoanhydride group, and Phosphodiester linkage
Work Step by Step
Observe the charges shown on the groups in Table 1-2. From this, we find:
Positive charges: Amino group and the Imino group
Negative charge: Carboxyl late group, Phosphoryl group, Phosphoanhydride group, and Phosphodiester linkage