NUCLEIC ACID By N., Sam M.S. - 0 a big molecule which contains a chain of nucleotides. Nucleic acids are of two forms, dna and rna, and are imperative constituents of living cells. NUCLEIC ACID: "Dna is one of the two kinds of nucleic acids." Related Psychology Terms NUCLEOTIDE TRANSCRIPTION CATABOLISM ADENINE MESSENGER RNA (MRNA) ANTIVIRAL DRUGS VIRUS POLYMERASE CHAIN REACTION (PCR) GUANINE TRINUCLEOTIDE REPEAT Cite this page: N., Sam M.S., "NUCLEIC ACID," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/nucleic-acid/ (accessed January 29, 2023).