The Double Helix: A Personal Account of the Discovery of the Structure of DNA |
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Page 52
... chain . Maurice had told Francis , however , that the diameter of the DNA molecule was thicker than would be the ... chains would be held together by hydrogen bonds or by salt linkages involving the nega- tively charged phosphate ...
... chain . Maurice had told Francis , however , that the diameter of the DNA molecule was thicker than would be the ... chains would be held together by hydrogen bonds or by salt linkages involving the nega- tively charged phosphate ...
Page 88
... chains , quickly dismissing one- chain helices as incompatible with the evidence in our hands . As to the forces that held the chains together , the best guess seemed to be salt bridges in which diva- lent cations like Mg ++ held ...
... chains , quickly dismissing one- chain helices as incompatible with the evidence in our hands . As to the forces that held the chains together , the best guess seemed to be salt bridges in which diva- lent cations like Mg ++ held ...
Page 160
... chains . Without the hydrogen atoms , the chains would immediately fly apart and the structure vanish . Everything I knew about nucleic - acid chemistry indicated that phosphate groups never contained bound hydrogen atoms . No one had ...
... chains . Without the hydrogen atoms , the chains would immediately fly apart and the structure vanish . Everything I knew about nucleic - acid chemistry indicated that phosphate groups never contained bound hydrogen atoms . No one had ...
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Common terms and phrases
a-helix adenine answer argument arrival atoms bacterial base pairs biochemistry biological Cal Tech Cambridge Cavendish chains Chargaff chemical chemistry chemists College conversation Copenhagen crystallographic crystals cytosine Delbrück dinner DNA molecule DNA structure double helix Elizabeth existed experimental fact fellowship Francis Crick genes genetic girls Griffith guanine helical Herman hope Hugh Huxley hydrogen bonds idea immediately important ions John Kendrew keto King's knew large number letter like-with-like Linus Pauling London look lunch Luria manuscript Maurice Wilkins Maurice's Max and John Max Delbrück Max Perutz model building molecular Moreover morning never Nonetheless nucleic acids nucleotides Odile Pauling's Perutz Peter phage phosphate groups polynucleotide Pop's possibility problem protein purine purine and pyrimidine pyrimidine quickly reason Rosalind Franklin Rosy Rosy's scientific Sir Lawrence Bragg solve soon sugar-phosphate backbone talk tautomeric forms tell theory thought three-chain thymine tion told walked wanted Watson week X-ray diffraction X-ray pictures