Francis Crick - Acid Quotes

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A final proof of our ideas can only be obtained by detailed studies on the alterations produced in the amino acid sequence of a protein by mutations of the type discussed here.

Francis Crick
It is one of the more striking generalizations of biochemistry — which surprisingly is hardly ever mentioned in the biochemical textbooks — that the twenty amino acids and the four bases, are, with minor reservations, the same throughout Nature.

Francis Crick
It seems likely that most if not all the genetic information in any organism is carried by nucleic acid — usually by DNA, although certain small viruses use RNA as their genetic material.

Francis Crick
We wish to suggest a structure for the salt of deoxyribose nucleic acid (DNA). This structure has novel features which are of considerable biological interest.

Francis Crick
One can say, looking at the papers in this symposium, that the elucidation of the genetic code is indeed a great achievement. It is, in a sense, the key to molecular biology because it shows how the great polymer languages, the nucleic acid language and the protein language, are linked together.

Francis Crick
A comparison between the triplets tentatively deduced by these methods with the changes in amino acid sequence produced by mutation shows a fair measure of agreement.

Francis Crick
The balance of evidence both from the cell-free system and from the study of mutation, suggests that this does not occur at random, and that triplets coding the same amino acid may well be rather similar.

Francis Crick