Flow Chart for Protein Synthesis 1. A short length of DNA (one gene) is copied onto a strand of messenger RNA (mRNA) 2. The mRNA strand leaves the nucleus of the cell and enters the cytoplasm. 3. A ribosome read the strand of mRNA in sets of 3 nucleotides (called "codons") and matches the corresponding transfer RNA (tRNA) with its amino acid attached. 4. Amino acids are released from the tRNA and bonded together in sequential order to make a polypeptide (amino acid chain) 5. The polypeptide folds to form a 3-dimensional structure, a functional protein, that can be used by the organism.
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