This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
5&;TTACGTAC-3&; after transcription what will be the RNA 
Select and explain. 
A. 5'-TTACGTAC-3', B. 3'-TTACGTAC-5', C. 5'-CATGCATT-3', D. 5'-GUACGUAA-3'
D: 5'-GUACGUAA-3'
Answer: D: 5'-GUACGUAA-3' 
Explanation: After transcription, the RNA will exchange order from 5&; to 3&; and 3&; to 5&; and T will be substituted by A, A by U, C by G.