This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
In a DNA the coding region reads 5'-CGT-3'. This would code in the RNA as: 
Select and explain. 
A. 5'-CGU-3', B. 5'GCA-3', C. 5'-ACG-3', D. 5'-UGC-3'
A: 5'-CGU-3'
Answer: A: 5'-CGU-3' 
Explanation: A i.e. 5' - CGU - 3'