Word: nucleic
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...University of experiments were devoted to the ultimate genetic . The ordering of bases in nucleic the ordering of amino proteins, the principal living matter...
...said his work indicates that it of three bases--the code-- acid that determine amino if the four kinds of bases in RNA are represented by the A, B, C, and D, ABC may result of one amino acid, ACB . The nucleic acid chain which these two amino acids...
Crick's experiments involved the nucleic acid of bacteriophage, cells which destroy bacteria. Each "phage" will only lyse specific bacteria. Changes in genetic structure in the phage can therefore be observed in the failure of the phage to exist on its specific bacteria...
...Horsfall, has shown that gene mutations can be produced by changes in the environment, and the mutant strains will breed true. It began, he recalled, with the little-recognized achievement of three Rockefeller Institute scientists, Drs. Oswald Avery, Colin MacLeod and Maclyn McCarty in 1944. They showed that if nucleic acid from the genetic material of one strain of pneumococcus germs was stirred in with a batch of pneumococci of another strain, the second strain picked up the inherited traits of the first, and then, "in enduring continuity," bred true from cell to daughter cell. "The heritance of an acquired...
...that in some unpredictable cases, a molecule of viral nucleic acid, without its protein overcoat, so closely resembles a gene that it can slip into the cell's chromosomal lineup, displacing a normal gene, and make the cell reproduce abnormally. Most of the resulting abnormal cells would probably die, but a few might retain the power to run wild and perpetuate themselves as cancer...