It is notoriously difficult to define the word living.

Finally one should add that in spite of the great complexity of protein synthesis and in spite of the considerable technical difficulties in synthesizing polynucleotides with defined sequences it is not unreasonable to hope that all these points will be clarified in the near future, and that the genetic code will be completely established on a sound experimental basis within a few years.

Christianity may be OK between consenting adults in private but should not be taught to young children.

If poly A is added to poly U, to form a double or triple helix, the combination is inactive.

It is notoriously difficult to define the word living.

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.

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.