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Research Article Open access CC BY 4.0

The Double Helix in Retrospect: A Critique of Available Evidence

Sosale Chandrasekhar

International Journal of Biochemistry Research & Review · pp. 1–6 · Published 14 Feb 2017

10.9734/IJBCRR/2016/31086

Abstract

This short review commentary deals with the evidence for the DNA double helix and raises the intriguing question: does it exist to any significant extent in the solution phase? Well past the sixtieth year of its discovery via X-ray diffraction, the DNA double helix has now acquired the status of a sacred truth, with a large area of modern science revolving around it. This paper presents the pros and cons of the double helix from a physico-chemical perspective, although with critical inputs from chemical biology as appropriate.

DNA melting duplex Gibbs free energy helicase RNA single strand

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