Biomolecules Question 1

Question 1 - 2024 (01 Feb Shift 1)

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

(1) CATTAGCT

(2) TACGAAGT

(3) GTACTTAC

(4) ATGCGACT

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Answer (2)

Solution

Formula: Nitrogeneous base

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