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 CRICKFree will is located in or near the anterior cingulate sulcus.
More Francis Crick Quotes
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We have to take away from humans in the long run their reproductive autonomy as the only way to guarantee the advancement of mankind.
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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.
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Rather than believe that Watson and Crick made the DNA structure, I would rather stress that the structure made Watson and Crick.
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When you start in science, you are brainwashed into believing how careful you must be, and how difficult it is to discover things. There’s something that might be called the ‘graduate student syndrome’; graduate students hardly believe they can make a discovery.
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It would appear that the number of nonsense triplets is rather low, since we only occasionally come across them. However this conclusion is less secure than our other deductions about the general nature of the genetic code.
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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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In my experience most mathematicians are intellectually lazy and especially dislike reading experimental papers. He seemed to have very strong biological intuitions but unfortunately of negative sign.
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The ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry.
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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.
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Anybody who believes that the earth is less than 10,000 years old needs psychiatric help.
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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.
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Exploratory research is really like working in a fog. You don’t know where you’re going. You’re just groping. Then people learn about it afterwards and think how straightforward it was.
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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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Since I essentially knew nothing, I had an almost completely free choice.
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Exact knowledge is the enemy of vitalism.
FRANCIS CRICK