Published by:
CGP EDU Academic Team
Published on: August 21, 2026
The fact that a purine base always pairs through hydrogen bonds with a pyrimidine base in the DNA double helix:
Text Solution
Verified by ExpertsThe correct answer is:
The diameter of the strand is always constant due to a pairing of purine (adenine and guanine) and pyrimidine (cytosine and thymine). This specific bonding gives uniform width to the DNA.
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