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Francis Crick Quotes


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Quotes by Francis Crick

Showing 1-10 of 22 Quotes by 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

Topics: Acid Amino Balance Both Does Evidence May Mutation Occur Random Rather Same Similar Study System Triplets Well

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We've discovered the secret of life.

~Francis Crick

Topics: Discovered Life Secret The Secret Of

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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

Topics: Acid Although Any Carried Certain Genetic Information Likely Material Most Organism Seems Small Use Viruses Dna

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We are sometimes asked what the result would be if we put four +'s in one gene. To answer this my colleagues have recently put together not merely four but six +'s.

~Francis Crick

Topics: Answer Asked Colleagues Four Gene Merely Put Recently Result Six Sometimes Together Would

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Unfortunately it makes the unambiguous determination of triplets by these methods much more difficult than would be the case if there were only one triplet for each amino acid.

~Francis Crick

Topics: Acid Amino Case Determination Difficult Each Makes Methods More Much Only Than Triplets Unfortunately Were Would

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This seems highly likely, especially as it has been shown that in several systems mutations affecting the same amino acid are extremely near together on the genetic map.

~Francis Crick

Topics: Acid Affecting Amino Been Extremely Genetic Highly Likely Map Mutations Near Same Seems Several Shown Systems Together

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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.

~Francis Crick

Topics: Closely Complete Components Genuine Moreover Most Needed Protein Related Requires Same Synthesis System Thus Unlikely Very

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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.

~Francis Crick

Topics: About Across Appear Code Come Conclusion Deduction General Genetic However Less Low Nature Nonsense Number Occasionally Only Other Our Rather Secure Since Than Them Triplets Would

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It now seems very likely that many of the 64 triplets, possibly most of them, may code one amino acid or another, and that in general several distinct triplets may code one amino acid.

~Francis Crick

Topics: Acid Amino Another Code Distinct General Likely Many May Most Now Possibly Seems Several Them Triplets Very

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It now seems certain that the amino acid sequence of any protein is determined by the sequence of bases in some region of a particular nucleic acid molecule.

~Francis Crick

Topics: Acid Amino Any Bases Certain Determined Now Particular Protein Region Seems Sequence Some

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Biography

Nationality: English

Type: Scientist

Born: June 8th, 1916

Died: July 28th, 2004

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