messenger RNA

noun

, Genetics.

1. a single-stranded molecule of RNA that is synthesized in the nucleus from a DNA template and then enters the cytoplasm, where its genetic code specifies the amino acid sequence for protein synthesis. : mRNA

messenger RNA

noun

1. biochem a form of RNA, transcribed from a single strand of DNA, that carries genetic information required for protein synthesis from DNA to the ribosomes Sometimes shortened tomRNA See also transfer RNA genetic code

messenger RNA

/ mĕs′ən-jər /

1. See under RNA

Word History and Origins

Origin of messenger RNA¹

First recorded in 1960–65