The number of hydrogen bonds between A and T in DNA is $x$.
Answer (integer)
2
Solution
A-T pair: 2 hydrogen bonds. G-C pair: 3 hydrogen bonds. This is why G-C rich DNA has higher melting temperature.
About this question
Subject: Chemistry · Chapter: Biomolecules · Topic: Nucleic Acids
This question is part of PrepWiser's free JEE Main question bank. 16 more solved questions on Biomolecules are available — start with the harder ones if your accuracy is >70%.