Word: triplets
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...researchers found, through a process called gene mapping, that the repetition of a nucleotide sequence triplet, CTG, is the cause of the disease. The sequence is present in most people, but researchers demonstrated that it is significantly more abundant in myotonic dystrophy sufferers...
...Rhein, a triplet, attributed his comedic talent to his childhood. "When you're with two brothers your own age, you make fun of them, they make fun of you. You really have to try hard to be funny," he said...
Where Davidson's talent lies in the succinctly evocative, Kletzsch grants himself a freer hand over his composition, allowing the generous repetition of themes to broaden his canvas. Sometimes, as in moments during the first movement, 'moderato cantabile', the repetition tends to long-windedness; a series of triplet structures, for example, seem a bit too obvious in their last few recapitulations (especially after the piece's lovely opening, reminiscent of a Bach sarabande...
...impossible. Ozone is oxygen but in an unusual form. Most oxygen comes in two- atom molecules, but external energy -- in this case, the sun's ultraviolet radiation -- can split some of them apart. The single oxygen atoms tend to attach themselves to the remaining molecules, forming an oxygen-atom triplet. The result: a layer, from six to 30 miles up, of ozone-enriched air. Once formed, an ozone molecule is a good absorber of ultraviolet. But when CFCs rise to the ozone layer, sunlight decomposes them, releasing the chlorine they contain. The chlorine is a catalyst, breaking ozone apart without...
...read either of two "periods" (TAG and TAA) in the standard code, it linked the amino acid glutamine onto the protein chain rather than stopping production; it obeyed only the third word for stop, TGA. At Nagoya University in Japan, scientists have found that Mycoplasma also ignores a stop triplet. But in this case it is TGA that is translated into an amino acid, tryptophan, while the other two codons are read as stop. "Within a certain sphere," says Biologist Syozo Osawa, "it seems that change is possible...