Posted: May 22nd, 2023
As earlier mentioned, the first manuscript makes reference to other structures of the DNA. Watson & Crick (1953a) make reference to the structure proposed by Pauling and Corey. In this structure, Pauling and Corey suggest that DNA has three intertwined chains. Contrary to the structure proposed by Watson & Crick (1953a), the structure described by Pauling and Corey has its bases on the outside.
A similar three-chain structure is advanced by Fraser (Watson & Crick, 1953a). The structure differs from the previous one in that the bases are on the inside and the phosphates on the outside. The other two structures described by the scholars are quite important in that they provide the foundation on which the 2-chain helical structure is based. There are several shortcomings associated with three-chained structure. They involve the distances between the Van der Waal forces. The shortcomings need to be addressed to ensure that the actual bonding is fully understood.
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