Word: markers
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These days the explosive growth of both molecular biology and immunology has enabled vaccine makers to take a safer and more effective approach to their work. Instead of using dead or attenuated bacteria or viruses, they remove from the bug's surface the marker protein, or antigen, that provokes the immune response. Employing gene-splicing techniques, they mass-produce the antigen, or a portion of it, and use it as the prime ingredient of the vaccine...
Last week Henson received a belated honor when his remains were reinterred at Arlington National Cemetery. The black pioneer now rests next to Peary under a granite marker. Declared Allen Counter, who led the effort to honor the explorer: "We are assembled here today to right a tragic wrong. Welcome home, Matt Henson...
...downtown Greensboro, a marker notes the 1960 Woolworth's sit-ins by black North Carolina Agricultural and Technical State University students. "Sure, you can't come in here as a black man and not feel a sense of history," says Terry Woods, a technician, as he sits at a once segregated lunch counter. "We get along with whites here," says Woods, 33. "I am not going to vote for a man because of the color of his skin." But, he adds, "I do like Jesse, because I like to think that one day a black man will be there...
...grader. The true master of a generality is the man who can write a 10-page essay, which means nothing at all to him, and have it mean a great deal to anyone who reads it. The generality writer banks on the knowledge possessed by the grader, hoping the marker will read things into his essay...
...researchers could develop medical tests that identify biochemical signposts indicating a predisposition to alcoholism, they could warn potential alcoholics before trouble started. SUNY's Begleiter found just such a potential marker in the brain. By using an electroencephalogr aph to measure the brain waves of nondrinking sons of alcoholic fathers, Begleiter discovered that a particular brain wave called the P3 showed a dampened response. In each instance the sons' brain waves closely duplicated those of their fathers, while other subjects with no family history of alcoholism showed strong P3 waves. In addition, Dr. Marc Schuckit, a researcher...