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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

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Francis Crick
Age: 88 †
Born: 1916
Born: June 8
Died: 2004
Died: July 28
Biochemist
Biologist
Geneticist
Molecular Biologist
Neuroscientist
Physicist
Scientist
University Teacher
Francis Harry Compton Crick
Francis H.C. Crick
Information
Acid
Small
Organisms
Use
Carried
Certain
Likely
Nucleic
Seems
Although
Viruses
Material
Organism
Materials
Dna
Usually
Genetic

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If, for example, all the codons are triplets, then in addition to the correct reading of the message, there are two incorrect readings which we shall obtain if we do not start the grouping into sets of three at the right place.
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I also suspect that many workers in this field [molecular biology] and related fields have been strongly motivated by the desire, rarely actually expressed, to refute vitalism.
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What could be more foolish than to base one's entire view of life on ideas that, however plausible at the time, now appear to be quite erroneous? And what would be more important than to find our true place in the universe by removing one by one these unfortunate vestiges of earlier beliefs?
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It is not easy to convey, unless one has experienced it, the dramatic feeling of sudden enlightenment that floods the mind when the right idea finally clinches into place.
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Evolution is cleverer than you are.
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It is essential to understand our brains in some detail if we are to assess correctly our place in this vast and complicated universe we see all around us.
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Protein synthesis is a central problem for the whole of biology, and that it is in all probability closely related to gene action.
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Moreover the incorporation requires the same components needed for protein synthesis, and is inhibited by the same inhibitors. Thus the system is most unlikely to be a complete artefact and is very probably closely related to genuine protein synthesis.
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It has yet to be shown by direct biochemical methods, as opposed to the indirect genetic evidence mentioned earlier, that the code is indeed a triplet code.
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You’re nothing but a pack of neurons.
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Attempts have been made from a study of the changes produced by mutation to obtain the relative order of the bases within various triplets, but my own view is that these are premature until there is more extensive and more reliable data on the composition of the triplets.
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There is no form of prose more difficult to understand and more tedious to read than the average scientific paper.
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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.
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Almost all aspects of life are engineered at the molecular level, and without understanding molecules we can only have a very sketchy understanding of life itself.
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A knowledge of the true age of the Earth and of the fossil record makes it impossible for any balanced intellect to believe in the literal truth of every part of the Bible in the way that fundamentalists do.
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A man who is right every time is not likely to do very much.
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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.
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How is the base sequence, divided into codons? There is nothing in the backbone of the nucleic acid, which is perfectly regular, to show us how to group the bases into codons.
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You can do reverse engineering, but you can’t do reverse hacking.
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God is a hacker, not an engineer
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