Biologically Active Substance
mrna precursor
mRNA pre·cur·sor
Definitions related to mrna precursor:
  • (precursor mrna) A primary RNA transcript synthesized from a DNA template in eukaryotic nuclei which is post-transcriptionally modified and spliced to produce a mature mRNA.
    NCI
    U.S. National Cancer Institute, 2021
  • (precursor mrna) Newly transcribed RNA fully complementary to the DNA sequence of structural genes; this component of the spliceosome and hnRNA is spliced, 5' capped, 3' polyadenylated, transported to the cytoplasm as mature mRNA, and translated.
    CRISP Thesaurus
    National Institutes of Health, 2006
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