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photosystem at biology definition
...ocess of photosynthesis , light is absorbed by a photosystem (ancient Greek : phos = light and systema = ...aves of plants. Two types of photosystems exist: photosystem I (P700) and photosystem II (P680) . Each photosystem is differentiated by the wavelength of li......ocess of photosynthesis , light is absorbed by a photosystem (ancient Greek : phos = light and systema = ...aves of plants. Two types of photosystems exist: photosystem I (P700) and photosystem II (P680) . Each photosystem is differentiated by the wavelength of li......e (ATP), the main "energy currency" in cells. In photosystem I, the electrons are returned to the chlorophyll. In photosystem II, they are used to drive the reaction NADP + + H + + 2e − → NADPH The NADPH is...... strikes a chlorophyll molecule contained within a photosystem (cluster of associated pigment molecules) and exci...he electron originates in a pigment complex called photosystem I, passes from the primary acceptor to ferredoxin , then to a complex of two cytochromes (similar...... strikes a chlorophyll molecule contained within a photosystem (cluster of associated pigment molecules) and exci...he electron originates in a pigment complex called photosystem I, passes from the primary acceptor to ferredoxin , then to a complex of two cytochromes (similar......e (ATP), the main "energy currency" in cells. In photosystem I, the electrons are returned to the chlorophyll. In photosystem II, they are used to drive the reaction NADP + + H + + 2e − → NADPH The NADPH is...
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(Date:10/10/2008)... During the 1950s, Austrian and Swiss scientists c...n Nepal taking photographs of the glaciers, mounta...laciologist Fritz Mller spent eight months in the ...d photographing the Himalayan glaciers. , Now, f...taken by these scientists are of immense value in ...
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(Date:10/9/2008)... at the European Molecular Biology Laboratory (EMB... first complete developmental blueprint of a verte...s could for the first time track all cells for the...ta was reconstructed into a three-dimensional, dig...ished in the current online issue of Science , gr...
(Date:10/9/2008)...Calif. Essential for life in higher animals, vita...ickets and osteoporosis, is now recognized as a ma..., emphasizes UC Riverside,s Anthony Norman , an i...ublished in the August issue of the American Jou...tamin D,s potential for contributions to good heal...
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