Chemistry · Biomolecules

JEE Main 2024 — 1 February, Shift 1 — Question 57

If one strand of a DNA has the sequence ATGCTTCA, sequence of the bases in complementary strand is:

  1. Option A:

    CATTAGCT

  2. Option B:

    TACGAAGT

    Correct
  3. Option C:

    GTACTTAC

  4. Option D:

    ATGCGACT

Answer: B

Step-by-step solution

Adenine base pairs with thymine with 2 hydrogen bonds and cytosine base pairs with guanine with 3 hydrogen bonds.

Solution figure

Answer key and solution verified before publishing.

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Exam
JEE Main 2024
Subject
Chemistry
Chapter
Biomolecules
Topic
Nucleic Acids and Other Biomolecules
If one strand of a DNA has the sequence ATGCTTCA, sequence of the… | JEE Main 2024 PYQ with Solution · DhiX AI