Word: cellular
(lookup in dictionary)
(lookup stats)
Dates: during 1980-1989
Sort By: most recent first
(reverse)
Ruth Sager, Med School professor of Cellular Genetics, said getting such an important award "will help us recruit highly talented individuals to join our laboratory...
...become one of the nation's 48,600 licensed women drivers, takes the wheel. The old stereotype? "We don't associate with that," says Robin. Indeed, they do not even communicate much with other drivers over the ubiquitous CB radio. They prefer to schedule upcoming jobs on a mobile cellular telephone...
...four different nucleotides, rep- resented by the letters A, T, G and C. Grouped into sets of three steps, the nucleotides are called codons, which dictate, or code for, the 20 amino acids, the subunits of protein. A few codons, or code words, serve as punctuation marks, telling the cellular machinery to start or stop adding amino acids to the growing protein chain...
...error in our technique." However, news soon filtered over from the Centre de Genetique Moleculaire laboratory near Paris that scientists there were encountering the same anomaly. As the two groups report in a recent issue of the British journal Na- ture, additional experiments showed that whenever the Paramecium's cellular machinery 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...
...evolve into another without jeopardizing the protein in the cell." Whatever the mechanism, the changes must have occurred very early on; some biologists suggest that the alterations may have been a ploy by one-celled creatures to resist viruses, which destroy cells by invading them and taking over their cellular machinery...