Translation During translation, the cell uses information from the mRNA to produce protein: 1. The mRNA is transcribed in the nucleus, and then enters the cytoplasm and attaches to a ribosome. 2. Translation begins when an mRNA in the cytoplasm attaches to a ribosome, where as each codon of the mRNA moves through the ribosome, the proper amino acid is brought into the ribosome by tRNA, while in the ribosome, the amino acid is transferred to the growing polypeptide chain. 3. The ribosome joinsthe two amino acids and breaks the bond between them and it tRNA. The tRNA floats away from the ribosome, allowing the ribosome to bind another tRNA, making the ribosome to move along the mRNA, binding new tRNA and amino acids. 4. This process continues untill the ribosome reaches one of the 3 stop codons, and its result is a complete polypeptide.