Anybody who believes that the earth is less than 10,000 years old needs psychiatric help. — Francis Crick
It has yet to be shown by direct biochemical methods, as opposed to the indirect genetic evidence mentioned earlier — Francis Crick
It is one of the more striking generalizations of biochemistry – which surprisingly is hardly ever — Francis Crick
It now seems certain that the amino acid sequence of any protein is determined by the sequence of bases — Francis Crick
It now seems very likely that many of the 64 triplets, possibly most of them, may code one amino acid or another — Francis Crick
It seems likely that most if not all the genetic information in any organism is carried by nucleic acid — Francis Crick
It would appear that the number of nonsense triplets is rather low, since we only occasionally come across them. — Francis Crick
The balance of evidence both from the cell-free system and from the study of mutation. — Francis Crick
If the code does indeed have some logical foundation then it is legitimate to consider all the evidence — Francis Crick
If, for example, all the codons are triplets, then in addition to the correct reading of the message.. — Francis Crick
How is the base sequence, divided into codons? there is nothing in the backbone of the nucleic acid — Francis Crick
If poly a is added to poly u, to form a double or triple helix, the combination is inactive. — Francis Crick
Attempts have been made from a study of the changes produced by mutation to obtain the relative order — Francis Crick
Do codons overlap? in other words, as we read along the genetic message do we find a base which. — Francis Crick
For simplicity one can think of the + class as having one extra base at some point or other in the genetic — Francis Crick
A comparison between the triplets tentatively deduced by these methods with the changes in amino acid — Francis Crick
A final proof of our ideas can only be obtained by detailed studies on the alterations produced in the. — Francis Crick
This seems highly likely, especially as it has been shown that in several systems mutations affecting — Francis Crick
Unfortunately it makes the unambiguous determination of triplets by these methods much more — Francis Crick