Word: strandings
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Dates: during 1970-1979
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Arber theorized that the bacterium produced a "restriction" enzyme that cut the viral DNA into smaller pieces (the host bacterium's DNA is protected from its own chemical scissors by other enzymes). Arber further proposed that the enzymes recognized and acted upon specific sites along the DNA strand...
...other led by Biochemist David Goeddell at a small South San Francisco biochemical firm, Genentech Inc. Though scientists had already produced a precursor of rat insulin with bacteria, making the finished human variety posed greater difficulties. For it consists of two distinct molecular chains, a so-called A strand and a B strand, each of which is produced separately inside the cells of the pancreas under the direction of its own characteristic gene...
...retreat provides the privacy and intimacy that Carter seeks for the summit, especially if the "chemistry" is going to work. The camp is sealed off from the rest of the world by a fence topped with a double strand of barbed wire, and guarded this week not only by the usual contingent of Marines, but also by a squadron of U.S., Israeli and Egyptian special agents armed with submachine guns, shotguns and pistols...
...fifth speaker in the summer Thursday Speakers Series, Blake defined "Third Stream Music" as "a beautiful strand of two different musical styles," and added that the road to success in the new stream comes with listening to sounds of music and not just following notes on paper...
Martinez then settled down long enough to have heart failure as the Orioles proceeded to strand the majority of the afternoon's 12 LOBs, but then gave some of the blame to himself when Burleson launched his fourth homer of the season to center field in the fifth to make...