Word: amino
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Dates: during 1960-1969
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...deadline for withdrawing all items containing cyclamates be extended to Sept. 1. Meanwhile, the search for a palatable low-calorie formula goes on. Almost a dozen diet-food producers have approached Adolph's Food Products, which manufactures a sugar substitute composed mainly of glycine, an amino acid...
Officials are bombarding marijuana fields with a chemical (benzyideithyl amino benzoate) which poisons the marijuana so that, if individuals smoke it, they will become violently...
While the geologists, chemists and physicists are busy with their investigations, other scientists will be on an even more exciting quest. Biochemists will be examining the specimens for evidence of amino acids and protein molecules?the building blocks of life. Paleontologists will seek fossil remnants of organisms. At NASA's Ames Research Center at Moffett Field, Calif., still other investigators will try to coax life itself from the lunar rocks, using nutrients in the hope of resuming a life process that might have been interrupted millions of years...
...antibody molecule is a protein, made up of chains of amino acids, of which there are 20 varieties. In 31 years of detailed work, the Edelman team learned by chemical and physical analysis that this particular molecule contains 19,996 atoms (of hydrogen, carbon, nitrogen, oxygen and sulphur) grouped in 1,320 amino-acid units, which in turn are assembled with the aid of chemical bonds into two "light" chains of 214 amino acids apiece and two "heavy" chains of 446 each (see diagram). Schematically, the four chains, in which the acids are strung like beads, look like a letter...
...Merck researchers, Drs. Robert G. Denkewalter and Ralph F. Hirschmann, went at it differently. They prepared groups of six to 17 amino acids in linked series. They then put these groups together to form the ultimate 124-link chain. Their product turned out to be the same as the Rockefeller synthetic enzyme; its identity was proved by the way in which it broke down ribonucleic acid...