MHT CET 202625 AprilMorning Shift

Exam: MHT CET
Year: 2026
Date: 25 April
Shift: Morning Shift
Subject: Biology
Chapter: Molecular Basis of Inheritance

MHT CET 2026 · 25 April · Morning Shift · Biology · Molecular Basis of Inheritance

The two strands in a DNA molecule are ________.

Options

Aparallel and complementary.
Bantiparallel and complementary.
Cparallel and non-complementary.
Danti parallel and non-complementary.

Correct answer

B. antiparallel and complementary.

Step-by-step solution

The two strands of a DNA molecule are antiparallel, meaning one strand runs in the

5'

3'

direction while the other runs in the

3'

5'

direction.

They are also complementary, as the nitrogenous bases on one strand pair specifically with bases on the other strand (Adenine pairs with Thymine, and Cytosine pairs with Guanine) through hydrogen bonds.

Answer: antiparallel and complementary.

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