Word: amino
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...human genome consists of all the hereditary information of human beings. This information exists in long chains of amino acids known as DNA sequences. Scientists are currently attempting to sequence the entire human genome, in the $3 billion Human Genome Project...
Strong evidence for aflatoxin's role in liver cancer appeared when researchers found that in four out of five DNA sequences examined, one amino acid, guanine, was converted to anther, thymine. The poison had previously been demonstrated to cause guanine to mutate to thymine in the liver. Hepatitis B, which is another cause of liver cancer, does not cause this same mutation...
...Getting L-amino acid, joined with only peptide bonds with exactly the right sequence is equivalent to having monkeys type `The Origin of Species' by randomly banging away on a typewriter," Bradley said...
...meteorites have also contained traces of organic materials. "Some carry hydrocarbons, amino acids and fatty acids which are present in all living things," says Marvin...
...group is currently studying two inherited diseases in humans, lysinuric protein intolerance (LPI) and cystinuria. Both diseases affect the ability of cells to import certain amino acids. Researchers believe that LPI, which creates a toxicity for proteins containing a certain amino acid, lysine, may be caused by a mutation in the protein under study...