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salt not free acid and that the van deer wall distances appear to be too small. This prompted them to start creating a new sttyructure for D.N.A using chemical assumptions. They believe the be two helical chains apiece coiled round the sasfme axis. They set off to a fault assumed that an angle of 36 degrees amongst adjacentff residues in the sa chain, so that the organise repeats after 10 dues on each chain. They belie the phosphates are on the outside. Watson and crick deal ground out that the structure of the D.N.A is an open one, and its water congftts are high. If it were to have logfdwgf water contents, the bases would tilt so the structure could be to a greater extent compact. Purine and pyrimidine bst be a pgfgurne and the new(prenominal) a pdine for bonding to occur. It is also said that only particular(prenominal) pairs of bases can bond unneurotic: adinwith coke. They have also by experimentation found out that the balance of the amounts odenine to thy mine, and the ratio of guanine to cytosine are al looks really close to unity for D.N.A. This knowledge is valuable because know it is cognise that not any purine or pyrimidine can bond to foilher, at that place is a peculiar(prenominal) pair. Watsons and Cricks structure be time-tested using g-ray data. However, the structure is compatible with experimental data unless it still must be approvN.A. There could also begdnd diagnosis of diseases if you knew the structure of the D.N.A so that way you could spot mutations.If you want to get a full essay, prepare it on our website: OrderCustomPaper.com

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