Possibly influenced by Danish grim (âsoot, grimeâ), Old Dutch grijmsel, Middle Dutch grime, Middle Low German greme (âdirtâ). Dirt, grease, soot, etc. that is ingrained and difficult to remove.
messenger RNA. a 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.
All forms of RNA are involved in protein synthesis: mRNA, rRNA, and tRNA. Messenger RNA (mRNA) is the transcript with the codon sequences specifying which amino acids are neâ¦eded and in what order.