Chapter 10 Key Terms 2

Chapter 10 Key Terms 2 - only photosystem I and that...

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conditions. In this process, carbon dioxide entering open stomata during the night is converted to organic acids, which release CO2 for the Calvin cycle during the day, when stomata are closed. Chlorophyll (klor´-o-fil) A green pigment located within the chloroplasts of plants and algae and in the membranes of certain prokaryotes. Chlorophyll a participates directly in the light reactions, which convert solar energy to chemical energy. crassulacean acid metabolism (CAM) An adaptation for photosynthesis in arid conditions, first discovered in the family Crassulaceae. In this process, a plant takes up CO2 and incorporates it into a variety of organic acids at night; during the day, CO2 is released from organic acids for use in the Calvin cycle. cyclic electron flow A route of electron flow during the light reactions of photosynthesis that involves
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Unformatted text preview: only photosystem I and that produces ATP but not NADPH or O2. linear electron flow A route of electron flow during the light reactions of photosynthesis that involves both photosystems (I and II) and produces ATP, NADPH, and O2. The net electron flow is from H2O to NADP+. glyceraldehyde-3-phosphate (G3P) (glis-er-al-de-hid) A three-carbon carbohydrate that is the direct product of the Calvin cycle; it is also an intermediate in glycolysis. light reactions The first of two major stages in photosynthesis (preceding the Calvin cycle). These reactions, which occur on the thylakoid membranes of the chloroplast or on membranes of certain prokaryotes, convert solar energy to the chemical energy of ATP and NADPH, releasing oxygen in the process....
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