The process of bringing together an 80S ribosome with a messenger RNA (mRNA) and initiator methionyl-transfer RNA is known as protein synthesis initiation (Met-tRNAi)
A ribosome first travels down mRNA until it hits the Start Codon (AUG). The mRNA then binds to the Start Codon (AUG), prompting a tRNA molecule containing an amino acid (methionine) to enter the ribosome and match up, so initiating the protein-building process. This is utilized during the initial stages of TransLation.
Transcription is the initial step in protein synthesis, which involves the unfolding of DNA and the formation of a messenger-RNA (mRNA) strand. tRNA and mRNA interact in the second step of protein synthesis, translation, to code amino acids into expanding polypeptide chains.
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