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
Triple bonds are found between which base pairs 
Select and explain. 
A. A–T, B. C–G, C. A–G, D. C–T
B: C–G
Answer: B: C–G 
Explanation: Adenine is always paired with thymine by the formation of two hydrogen bonds. Guanine is always paired with cytosine by the formation of three hydrogen bonds.
Thus, the C-G bonds are more resistant to denaturation.