Word: molecular
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Dates: during 1960-1969
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Viral Assistance. Although the gene has long been recognized as the basic unit of heredity, it has been only 26 years since molecular biologists learned that the gene is actually composed of deoxyribonucleic acid (DNA) a complex molecule that forms the chromosomes in every living cell. The DNA molecule is shaped like a spiral staircase-a double helix connected by steps, or links. Each of the thousands of links consists of a pair of mutually attracting chemical bases. Although only four different kinds of such bases are found in DNA, they can be arranged along the helix in an enormous...
...some kind of miracle we stopped the railroad." Mark Ptashne, lecturer on Biochemistry and Molecular Biology, said after the meeting...
...close of Brooks' speech, however, Mark Ptashue, lecturer on Biochemistry and Molecular Biology, took the floor and asked for "fuller discussion of the matter among the Faculty." As an example of the "extremely difficult and possibly decisive questions" raised by the Cambridge Project, Ptashue cited Section 203 of the recently enacted Military Procurement Bill, which forbids the Defense Department to fund "any research project or study" not having "a direct and apparent relationship to a specific military function...
...these viruses is arranged in two, loosely linked strands, with one molecular strand containing the chemical complement of the other. These long molecules are ordinarily coiled around each other in the head of a virus particle once it leaves the host cell...
...that bears his name. Now marking its 25th anniversary, the Weizmann Institute for Science has grown from an obscure agriculture station in the desert town of Rehovot, 15 miles south of Tel Aviv, to a 250-acre complex with 17 major departments that explore everything from atomic physics and molecular biology to seismology. Even the Arabs recognize its importance. It was one of the first targets that Radio Cairo claimed had been destroyed during the 1967 Arab-Israeli war-though not a single Egyptian plane ever appeared over Rehovot...