DNA Model
STEP 1: mRNA is transcribed from a DNA template by RNA polymerase
STEP 2:An enzyme activates tRNA by attaching a specific amino acid to each tRNA.
STEP 3: tRNA add their amino acids to the polypeptide chain as the mRNA moves through the ribosome one codon at a time. When a stop codon is reached translation terminates and the polypeptide is released
Guanine
Cytosine
Thymine
Adenine
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