Zwitterion
Zwitterion also known as dipolar
ion refers to a substance that has at least one positive and one negative
electrical charge at different locations and the net charge of the entire
molecule is zero. Examples of zwitterions are amino acids.
1. B: AA or aa (homo means "the same," these are identical traits.)
2. B (hetero means "different", and these are different types of traits."
Answer:
5 billion .........m.......m
