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  2. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Photosynthesis (/ ˌ f oʊ t ə ˈ s ɪ n θ ə s ... Oxygen is a waste product of light-dependent reactions, but the majority of organisms on Earth use oxygen and ...

  3. Calvin cycle - Wikipedia

    en.wikipedia.org/wiki/Calvin_cycle

    Although many texts list a product of photosynthesis as C 6 H 12 O 6, this is mainly for convenience to match the equation of aerobic respiration, where six-carbon sugars are oxidized in mitochondria. The carbohydrate products of the Calvin cycle are three-carbon sugar phosphate molecules, or "triose phosphates", namely, glyceraldehyde-3 ...

  4. Light-dependent reactions - Wikipedia

    en.wikipedia.org/wiki/Light-dependent_reactions

    In oxygenic photosynthesis, the first electron donor is water, creating oxygen (O 2) as a by-product. In anoxygenic photosynthesis, various electron donors are used. Cytochrome b 6 f and ATP synthase work together to produce ATP (photophosphorylation) in two distinct ways.

  5. Photorespiration - Wikipedia

    en.wikipedia.org/wiki/Photorespiration

    C 2 photosynthesis (also called glycine shuttle and photorespiratory CO 2 pump) is a CCM that works by making use of – as opposed to avoiding – photorespiration. It performs carbon refixation by delaying the breakdown of photorespired glycine, so that the molecule is shuttled from the mesophyll into the bundle sheath .

  6. Metabolic waste - Wikipedia

    en.wikipedia.org/wiki/Metabolic_waste

    Oxygen is produced by plants and some bacteria in photosynthesis, while CO 2 is a waste product of all animals and plants. Nitrogen gases are produced by denitrifying bacteria and as a waste product, and bacteria for decaying yield ammonia, as do most invertebrates and vertebrates.

  7. Metabolism - Wikipedia

    en.wikipedia.org/wiki/Metabolism

    Plant cells (bounded by purple walls) filled with chloroplasts (green), which are the site of photosynthesis. Photosynthesis is the synthesis of carbohydrates from sunlight and carbon dioxide (CO 2). In plants, cyanobacteria and algae, oxygenic photosynthesis splits water, with oxygen produced as a waste product.

  8. Cyanobacteria - Wikipedia

    en.wikipedia.org/wiki/Cyanobacteria

    The water-oxidizing photosynthesis is ... Consequences may also lie within fisheries and waste management practices. ... Cupricide is a chelated copper product that ...

  9. Dioxygen in biological reactions - Wikipedia

    en.wikipedia.org/wiki/Dioxygen_in_biological...

    The reaction for the aerobic respiration is essentially the reverse of photosynthesis, except that now there is a large release of chemical energy which is stored in ATP molecules (up to 38 ATP molecules are formed from one molecule of glucose and 6 O 2 molecules). The simplified version of this reaction is: C 6 H 12 O 6 + 6 O 2 → 6 CO 2 + 6 H