Definition of nucleic acid in English:

nucleic acid

noun

Biochemistry
  • A complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.

    • ‘There are two types of nucleic acids, DNA and RNA, both of which are suitable for the transfer of information.’
    • ‘The order of amino acids in proteins is recorded in the genetic code housed in the nucleic acids, DNA and RNA.’
    • ‘Proteins are polymers of amino acids, while nucleic acids are polymers of nucleotides.’
    • ‘The concentration of protein and nucleic acids in extracts and the molecular weight of DNA were subsequently determined.’
    • ‘The cell uses a related nucleic acid called RNA (ribonucleic acid) to construct a working copy of that strand.’

Pronunciation:

nucleic acid

/n(y)o͞oˌklēik ˈasəd/