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Question: Rosalind Franklin’s famous Photo 51 played a key role in revealing the structure of what molecule?

Answer: Answer: DNA (Deoxyribonucleic Acid).

Brief Info: Rosalind Franklin’s X-ray diffraction image of DNA, known as Photo 51, provided the foundation for the discovery of the DNA double-helix structure by Watson and Crick.

(Source: Nature.com, 06 Nov 2025)

Source Link: https://www.nature.com/articles/171740a0