17) Matching questions 1. marasmus 2. immunity 3. acid group 4. side chain 5. kwashiorkor A. The side group of an amino acid that provides it with its unique qualities; also referred to as the R group. B. A state of PEM where there is a severe deficiency of dietary protein. C. A state of PEM where there is a severe deficiency of calories that perpetuate s wasting: also called starvation. D. The COOH group that is part of every amino acid; also called the carboxyl group. E. The state of having built up antibodies to a particular foreign substance so that when particles of the substance enter the body, they are destroyed by the antibodies..