nucleic acid (Any of several organic acids combined with proteins (DNA or RNA) which exist in the nucleus and protoplasm of all cells)

nucleic acid

nucleic acid [njuːˌkliːɪk'æsɪd]

med. A family of molecules found in all living cells and viruses. Nucleic acids, which include DNA and RNA, control cellular function and heredity. see also deoxyribonucleic acid, ribonucleic acid

see also deoxyribonucleic acid, ribonucleic acid