Credit: FRANCIS LEROY & LOUIS BEUCLER, BIOCOSMOS/SCIENCE PHOTO LIBRARY

Caption: Cyclic photosynthesis in green plants, animation. A cyclic electron transport pathway which produces adenosine triphosphate (ATP) without the synthesis of NADPH2 (nicotinamide adenine dinucleotide phosphate). Green plants use photosynthesis to synthesise carbohydrate from carbon dioxide (CO2) and water (H2O). In a series of reactions light is used to drive the production of NADPH and ATP. These, in turn, are used to produce carbohydrate from C02 and H2O. Cyclic phosphorylation takes place in the chloroplasts of plant cells and is the process by which NADPH and ATP is synthesised. An electron from photosystem II (yellow circle) passes to ferredoxin (purple), cytochrome bf (orange) and then to plastocyanin (yellow). This sequence creates a concentration gradient which is then used to power ATP synthase (to the right hand side) and produce ATP.

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Keywords: adenosine diphosphate, adenosine triphosphate, adenosine-5-triphosphate, adp, animated, animation, atp, atp synthase, atp synthesis, biochemical, biochemistry, biological, biology, black background, carbohydrate, carbon dioxide, cell biology, chemiosmotic model, chloroplast, chloroplasts, co2, cyclic phosphorylation, cyclic photosynthesis, cytochrome bf, electron, ferredoxin, h20, nadph, nicotinamide adenine dinucleotide phosphate, orthophosphate, pi, plant cell, plant cells, plastocyanin, proton, protons, sunlight, water

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Cyclic photosynthesis, animation

K003/8112 Rights Managed

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Duration: 00:01:20

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 955.1M

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Capture format: QuickTime Animation

Codec: Photo - JPEG

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