Biochemistry In a DNA the coding region reads 5′-CGT-3′. This would code in the RNA as: A 5'-CGU-3' B 5'GCA-3' C 5'-ACG-3' D 5'-UGC-3' 💡 Explanation In a DNA the coding region reads 5'-CGT-3'. This would code in the RNA as: ✓ Correct Answer: A. 5'-CGU-3'