| 单词 | reaction centre |
| 释义 | > as lemmasreaction centre reaction centre n. the site at which physical or chemical reaction occurs; (Biochemistry) the complex of protein and light-harvesting pigments at which the light reactions occur during photosynthesis. ΚΠ 1884 G. M. Minchin Treat. Statics (ed. 3) I. ix. 221 It can be shown that the reaction at any joint is perpendicular and proportional to the line joining the joint to Q. This point Q is, therefore, a reaction centre for the system. 1925 Proc. Royal Soc. A. 107 274 This particular arrangement of the adsorbed molecule in relation to a definite group of atoms in the surface has been called a ‘Reaction Centre’. 1956 E. Rabinowitch Photosynthesis II. ii. xxxii. 1304 Energy trapped in its molecules..may have little chance to reach a ‘reaction center’ (assuming that resonance migration of energy to a reaction center is a necessary step in photosynthesis!). 2002 Trends Biochem. Sci. 27 79/1 Reaction centres are complexes of pigment and protein that convert the electromagnetic energy of sunlight into chemical potential energy. < as lemmas |
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