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【单选题】The aromatic ring of __________ undergoes a cycle of oxidation and reduction during the formation of active prothrombin, a blood plasma protein essential in blood clotting.
【单选题】Sandra Millstone, the CEO of Excalibur Manufacturing Company, had concluded that the company would have to reduce its employee group by 10 percent as the industry was severely hit by the ongoing econo...
【单选题】Reduction is the gain of or a decrease in oxidation state by a molecule, atom, or ion. As an example, during the combustion of wood, oxygen from the air is reduced, gaining from the carbon.
【单选题】A biologist spent many years researching the rate of evolutionary change in the finch populations of a group of islands. It was determined that the average beak size (both length and mass) of finches ...