Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An enzyme of nitrogen-fixing bacteria that catalyzes the conversion of nitrogen to ammonia.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The enzyme, in nitrogen-fixing bacteria, that catalyzes the conversion of atmospheric nitrogen into ammonia.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an enzyme of nitrogen-fixing microorganisms that catalyzes the conversion of nitrogen to ammonia

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

nitrogen +‎ -ase

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Examples

  • Fortunately, natural selection has already devised the perfect solution: a bacterial enzyme known as nitrogenase, which can fix nitrogen at room temperature using only a collection of metal ions, including the unusual molybdenum ion, and a hefty dose of energy-giving ATP.

    SEEDMAGAZINE.COM 2010

  • Fortunately, natural selection has already devised the perfect solution: a bacterial enzyme known as nitrogenase, which can fix nitrogen at room temperature using only a collection of metal ions, including the unusual molybdenum ion, and a hefty dose of energy-giving ATP.

    SEEDMAGAZINE.COM 2010

  • Fortunately, natural selection has already devised the perfect solution: a bacterial enzyme known as nitrogenase, which can fix nitrogen at room temperature using only a collection of metal ions, including the unusual molybdenum ion, and a hefty dose of energy-giving ATP.

    SEEDMAGAZINE.COM 2010

  • Fortunately, natural selection has already devised the perfect solution: a bacterial enzyme known as nitrogenase, which can fix nitrogen at room temperature using only a collection of metal ions, including the unusual molybdenum ion, and a hefty dose of energy-giving ATP.

    SEEDMAGAZINE.COM 2010

  • Fortunately, natural selection has already devised the perfect solution: a bacterial enzyme known as nitrogenase, which can fix nitrogen at room temperature using only a collection of metal ions, including the unusual molybdenum ion, and a hefty dose of energy-giving ATP.

    SEEDMAGAZINE.COM 2010

  • Fortunately, natural selection has already devised the perfect solution: a bacterial enzyme known as nitrogenase, which can fix nitrogen at room temperature using only a collection of metal ions, including the unusual molybdenum ion, and a hefty dose of energy-giving ATP.

    SEEDMAGAZINE.COM 2009

  • Time will tell whether these findings are relevant to how dinitrogen is reduced to ammonia in nature on a huge scale by nitrogenase enzymes.

    Richard R. Schrock - Autobiography 2006

  • Only a very limited number of organisms that possess nitrogenase, the enzyme able to cleave N2 at ambient temperature and at normal pressure, can perform this conversion.

    Global material cycles 2007

  • In fact, this was in fact used in one of my favorite ID hypothesis, that the nitrogenase was used to terraform earth for the purpose of seeding life.

    ID Research, Look to the Example 2005

  • Mycorrhiza-soil fertility effects on regrowth, nodulation, and nitrogenase activity of siratro (Macroptilium artropurpureum (DC) Urb.).

    Chapter 8 1996

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