Draw and describe the double-helical structure of DNA and explain the

Question

Draw and describe the double-helical structure of DNA and explain the role of hydrogen bonding in maintaining its stability.

08 Feb 2025

Answer :

Word Count : 454

The double-helical structure of DNA, first proposed by James Watson and Francis Crick in 1953, is fundamental to understanding its function in genetic information storage and transmission. This structure consists of two long strands of nucleotides twisted around each other to form a right-handed spiral, resembling a staircase or ladder.

Each nucleotide in the DNA is composed of three components: a phosphate group, a deoxyribose sugar, and a nitrogenous base. There are four types of ______ _________ _____ _____ ___ ___ __________ ______ _____ __________ _______ _____.
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