| OGS | oxygenic steroid |
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| PS | pacemaker syndrome; paired stimulation; paradoxical sleep; paraspinal; parasympathetic; Parkinson sy... |
| oxygenic photosynthesis | Use of light energy to synthesise ATP and NADPH by noncyclic photophosphorylation with the production of oxygen from water. (09 Oct 1997) |
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| gram-negative oxygenic photosynthetic bacteria | <microbiology> Widely distributed unicellular or multicellular bacteria. The cyanobacteria use chlorophyll a and phycobilins for oxygenic photosynthesis while genera in the prochlorales use both chlorophyll a and b but not phycobilins. (12 Dec 1998) |
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| oxygenic | <chemistry> Pertaining to, containing, or resembling, oxygen; producing oxygen. Source: Websters Dictionary (01 Mar 1998) |
| anoxygenic photosynthesis | A type of photosynthesis in green and purple bacteria in which oxygen is not produced. Use of light energy to synthesise ATP by cyclic photophosphorylation without oxygen production in green and purple bacteria. (09 Oct 1997) |
| photosynthesis | <biochemistry, biology> Process by which green plants, algae and some bacteria absorb light energy and use it to synthesise organic compounds (initially carbohydrates). In green plants, occurs in chloroplasts, that contain the photosynthetic pigments. Occurs by slightly different processes in C3 and C4 plants. (18 Nov 1997) |
| Z scheme of photosynthesis | <biochemistry, biology> A schematic representation of the light reactions of photosynthesis, in which the photosynthetic reaction centres and electron carriers are arranged according to their electrode potential (free energy) in one dimension and their reaction sequence in the second dimension. This gives a Z shape, the two reaction centres (of photosystems I and II) being linked by the photosynthetic electron transport chain. (18 Nov 1997) |
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