Word: amino
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...existence of other more complex organic compounds such as amino acids-the basic building blocks of proteins-and porphyrins-related to hemoglobin, chlorophyll and some vitamins-is still open to debate. If these compounds exist, they are extremely rare and difficult to detect. This means contamination by terrestrial compounds is a real problem. Such contamination could occur if the sample containers leak, if the chemicals used in the test techniques are not absolutely pure, or if the rocket fuel burning produced complex organic contaminants...
Died. Dr. Donald Dexter Van Slyke. 88, clinical chemist; of cancer; in Garden City. N.Y. A major contributor to the study of amino-acid chemistry and kidney function. Van Slyke applied innovative analytical methods to both clinical and investigative medicine. He was known primarily for his work leading to the detection of acidosis (a condition often leading to diabetic coma) and his studies of kidney disease...
...diagram "Protein Synthesis," your artist showed the nucleic-acid fragment UGA as a "three-letter word" that "codes for one amino acid...
...code for an amino acid; it is one of the few combinations that tell the machine that makes proteins to bring an end to the protein chain, acting just like the period at the end of this sentence...
...mice, which seem to react with a parallel unnatural aversion to the dark. Moreover, the more broth Ungar injects, the faster the mice seem to learn this fear. His theory: the memory message (that darkness should be avoided) is encoded by the rats' DNA-RNA mechanism into an amino-acid chain called a peptide, a small protein that Ungar managed to isolate and then synthesize. His name for it: scotophobin, from the Greek words for "darkness" and "fear...