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Structure of DNA


To form the other side of the “twisted ladder� arrangement of DNA, the bases form weaker hydrogen bonds between each other.


The double-strand, twisted ladder model of DNA structure is more commonly known as the double helix arrangement.


It was discovered in the early 1950s by James Watson and Francis Crick using X-ray diffraction data previously produced by Maurice Wilkins and Rosalind Franklin. Watson, Crick and Wilkins were awarded a Nobel prize for this work in 1962‌


Base Pairings Because of their chemical structure, each base can only join with one other base: Adenine with Thymine A-T Guanine with Cytosine G-C


DNA From The Beginning

7. DNA structure  
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