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单词 photophosphorylation
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photophosphorylation
photophosphorylation n.
Brit. /ˌfəʊtə(ʊ)fɒsfɒrᵻˈleɪʃn/
,
U.S. /ˌfoʊdoʊfɑsˌfɔrəˈleɪʃ(ə)n/
Biochemistry the process by which plants and certain microoganisms use light energy to produce ATP from ADP, without the need for oxidative reactions.
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photophosphorylation1956
1954 D. I. Arnon et al. in Nature 28 Aug. 394/1 Evidence has now been obtained that whole chloroplasts..have the ability to carry out..photosynthetic phosphorylation, a term which we use for the conversion of light energy into the high-energy phosphate bonds of adenosine triphosphate (ATP), without the participation of respiration.]
1956 Plant Physiol. 31 p. xxx/2 (heading) The mechanism of cell-free, bacterial photophosphorylation.
1971 M. F. Mallette et al. Introd. Biochem. xviii. 646 Photosystem 1, the longer wave length photosystem, has been associated with the reduction of NADP+ and with photophosphorylation. Photosystem 2 is related to dissociation of water and the evolution of oxygen.
1989 B. Alberts et al. Molecular Biol. Cell (ed. 2) vii. 377 (heading) In plants and cyanobacteria, noncyclic photophosphorylation produces both NADPH and ATP.
2000 Science (Nexis) 21 Jan. 435 The aqueous lumen (where protons for photophosphorylation accumulate).
extracted from photo-comb. form
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