Who among the following shared the Nobel Prize in 1962 along with Fran

Who among the following shared the Nobel Prize in 1962 along with Francis Crick and James Watson for their discoveries concerning the molecular structure of nucleic acids ?

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Erwin Chargaff

Maurice Hugh Frederick Wilkins

Rosalind Franklin

Phoebus Levene

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UPSC NDA-2 – 2017

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The Nobel Prize in Physiology or Medicine in 1962 was awarded jointly to James Watson, Francis Crick, and Maurice Hugh Frederick Wilkins for their discoveries concerning the molecular structure of nucleic acids (specifically DNA).

The discovery of the double helix structure of DNA by Watson, Crick, and Wilkins, significantly aided by the X-ray diffraction work of Rosalind Franklin (who was not awarded as the prize is not posthumous), was a landmark achievement in molecular biology.

– Erwin Chargaff is known for Chargaff’s rules, which state that in DNA, the amount of adenine (A) is approximately equal to the amount of thymine (T), and the amount of guanine (G) is approximately equal to the amount of cytosine (C). His work was important for Watson and Crick but he did not share the Nobel Prize for this discovery.
– Rosalind Franklin’s X-ray diffraction images (particularly Photo 51) were critical evidence used by Watson and Crick to determine the structure of DNA.
– Phoebus Levene is known for his work on the structure of nucleotides and nucleic acids in the early 20th century, including identifying the components of DNA (phosphate, sugar, base).

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