Though enzymes containing this element are unusual, two of them, AOR and GAPOR, are used by    Pyrococcus furiosus.
Though enzymes containing this element are unusual, two of them, AOR and GAPOR, are used by    Pyrococcus furiosus. For many living things, this element is toxic because it interferes with the use of  molybdenum and copper. Found with calcium and oxygen in scheelite, this element is often used   for electrodes in arc welding and in high-speed steel. This element with the highest melting point is  combined with rhenium in X-ray tubes. In the early 20th century, this element started being used as  a light bulb filament. Name this element that was known as wolfram, which is why its symbol is W.
Though enzymes containing this element are unusual, two of them, AOR and GAPOR, are used by    Pyrococcus furiosus.
tungsten