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
tRNAf met would recognize: 
Select and explain. 
A. AUG, B. UGC, C. GUG, D. GCU
A: AUG
Answer: A: AUG 
Explanation: A i.e. AUG