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单词 aerobic respiration
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aerobic respiration
5. Physiology and Biochemistry. More fully aerobic respiration: the metabolic process by which energy is generated from food molecules, involving a series of oxidation reactions, ultimately consuming oxygen and also producing carbon dioxide. Also (frequently with distinguishing word): any of various other energy-producing metabolic processes, esp. any involving an inorganic compound as an electron acceptor.In aerobic respiration, nicotinamide adenine dinucleotide (NADH) and flavin adenine dinucleotide (FADH2), produced by glycolysis, fatty acid oxidation, and the Krebs cycle, serve as the source of electrons for the synthesis of the energy-rich compound adenosine triphosphate (ATP) by oxidative phosphorylation. In eukaryotic cells this process occurs in the inner mitochondrial membrane.
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the world > life > biology > biological processes > metabolism > [noun] > metabolic processes
metastasis1861
respiration1882
nitrogen fixation1893
turn-over1943
1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 717 The dried weight of the plant is very small..because a portion of the substance has been destroyed in the process of respiration [Ger. Athmungsprocess].
1885 G. L. Goodale in A. Gray & G. L. Goodale Bot. Text-bk. (ed. 6) II. ii. xi. 371 The chemical processes which cause the production and evolution of carbonic acid in the absence of free oxygen are grouped by Pflüger under the term intramolecular respiration.
1900 A. J. Ewart tr. W. Pfeffer Physiol. Plants I. ix. 546 (heading) The relationship between aerobic and anaerobic respiration.
1934 A. T. Henrici Biol. Bacteria xi. 174 Those processes which yield energy for the organism are respiration.
1974 Nature 13 Dec. 579/1 The enzymes responsible for the first step in nitrate assimilation and for nitrate respiration are the nitrate reductases, both these processes involving the conversion of nitrate to nitrite.
1997 New Scientist 19 July 20/1 Like all photobacteria, R. sphaeroides has two sources of energy, and can switch between photosynthesis using carbon dioxide and oxygen respiration, depending on which gas is more freely available.
2006 A. G. van der Valk Biol. Freshwater Wetlands iii. 35 Within the bacteria, there are five general classes of energy-yielding or dissimilatory processes; photosynthesis, fermentation, aerobic respiration, anaerobic respiration, and methanogenesis.
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