Chemistry · Biomolecules

JEE Main 2025 — 4 April, Morning Shift — Question 18

The total number of hydrogen bonds of a DNAdouble Helix strand whose one strand has the following sequence of bases is _____\_\_\_\_\_

5'-G-G-C-A-A-A-T-C-G-G-C-T-A-3'

Answer: 33

Numerical answer — enter this value.

Step-by-step solution

There are 2 H -bonds, between A and T and there are 3 H -bonds, between G and C base pairs.

Solution figure

Answer key and solution verified before publishing.

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Exam
JEE Main 2025
Subject
Chemistry
Chapter
Biomolecules
Topic
Nucleic Acids and Other Biomolecules
The total number of hydrogen bonds of a DNAdouble Helix strand whose… | JEE Main 2025 PYQ with Solution · DhiX AI