A chlorophyll from which the central magnesium atom has been removed

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  • Pheophytin — or Pheo is a chlorophyll molecule lacking a central Mg2+ ion which serves as the first electron carrier intermediate in the electron transfer pathway of photosystem II in plants and the photosynthetic reaction center RC P870 found in purple… …   Wikipedia

  • pheophytin — feofitinas statusas T sritis ekologija ir aplinkotyra apibrėžtis Rudos spalvos chlorofilo darinys, gaunamas paveikus lapų ekstraktą arba patį lapą rūgštimis. atitikmenys: angl. phaeophytin; pheophytin vok. Phäophytin, m rus. феофитин, m …   Ekologijos terminų aiškinamasis žodynas

  • pheophytin — pheo·phy·tin or Brit phaeo·phy·tin .fē ə fīt ən n a bluish black waxy pigment that can be formed from chlorophyll by replacement of the magnesium with two hydrogen atoms by treatment with a weak acid (as oxalic acid) …   Medical dictionary

  • pheophytin — pheo·phy·tin …   English syllables

  • pheophytin — …   Useful english dictionary

  • Photosynthetic reaction centre — A photosynthetic reaction center is a complex of three types of protein that is the site where molecular excitations originating from sunlight are transformed into a series of electron transfer reactions. The reaction center proteins bind… …   Wikipedia

  • Феофитин — а Общие …   Википедия

  • Light-dependent reactions — of photosynthesis at the thylakoid membrane See also: Light independent reactions The light dependent reactions , or light reactions, are the first stage of photosynthesis, the process by which plants capture and store energy from sunlight. In… …   Wikipedia

  • Photosynthesis — Composite image showing the global distribution of photosynthesis, including both oceanic phytoplankton and vegetation …   Wikipedia

  • Photophosphorylation — through light dependent reactions of photosynthesis at the thylakoid membrane The production of ATP using the energy of sunlight is called photophosphorylation. Only two sources of energy are available to living organisms: sunlight and reduction… …   Wikipedia

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