The Double Helix: A Personal Account of the Discovery of the Structure of DNA |
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Page 175
... pyrimidine bases were stacked on top of each other in a direction per- pendicular to the helical axis . In addition we could feel sure from both electron - microscope and X - ray evi- dence that the helix diameter was about 20 Å ...
... pyrimidine bases were stacked on top of each other in a direction per- pendicular to the helical axis . In addition we could feel sure from both electron - microscope and X - ray evi- dence that the helix diameter was about 20 Å ...
Page 196
... pyrimidine residues . Two irregular se- quences of bases could be regularly packed in the center of a helix if a purine always hydrogen - bonded to a pyrimidine . Furthermore , the hydrogen - bonding requirement meant that adenine would ...
... pyrimidine residues . Two irregular se- quences of bases could be regularly packed in the center of a helix if a purine always hydrogen - bonded to a pyrimidine . Furthermore , the hydrogen - bonding requirement meant that adenine would ...
Page
... pyrimidine frature in attempt The residues equivalent and sat at the same time queline wi ཁད་ ། མི་ ཁ ཱ ། always pain with Cytosine . For example ( next page ) UNIVERSITY OF CAMBRIDGE DEPARTMENT OF PHYSICS # Suger Sugal fam. On aigual ou ...
... pyrimidine frature in attempt The residues equivalent and sat at the same time queline wi ཁད་ ། མི་ ཁ ཱ ། always pain with Cytosine . For example ( next page ) UNIVERSITY OF CAMBRIDGE DEPARTMENT OF PHYSICS # Suger Sugal fam. On aigual ou ...
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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