Term
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Definition
| a stack of thylakoids in a chloroplast (112) |
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Term
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Definition
| the initial reactions in photosynthesis, including the absorption of light by photosystems I and II, the passage of electrons along the electron transport chains, the prduction of NADPH and O2, an the synthesis of ATP through chemiosmosis (112) |
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Term
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Definition
| nicotinamide adenine dinucleotide phosphate; an organic molecule that accepts electrons during redox reactions (115) |
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Term
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Definition
| phosphoglycerae;a three-carbon molecule fromed in the first step of the Calvin cyce (117) |
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Term
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Definition
| glyceraldehyde phosphate; a three-carbo molecule formed in the second step of the Calvin scycle that can leave the cycle and be used to make otherorganic compounds. (118) |
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Term
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Definition
| the conversion of light energy into chmical energy stored i organic compounds (111) |
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Term
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Definition
| in plants, a unit of several hundred cholorophyll molecules and carotenoid pigment molecules in the thylakoid membrane (114) |
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Term
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Definition
| in plants, a compound that absorbs light and imparts color (11) |
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Term
| primary electron acceptor |
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Definition
| a molecule in the thylakoid membrane that accepts the electrons that chlorophyll a loses in the light reactions (115) |
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Term
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Definition
| ribulose bisphosphate; a five-carbon carbohydrate that combines with CO2 to form two molecules of PGA in the first step of the Calvin cycle (117) |
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Term
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Definition
| oneof may small pores ususally located on the underside of a leaf; aids in gas exchange (119) |
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Term
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Definition
| a pigment that absorbs light enegy and transfers energy to chlorphyll a in phtosynthesis. (113) |
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Term
| adenosine diphosphat (ADP) |
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Definition
| a substance involved in energy metabolism formed by the breakdown of adenosine trephosphate (116) |
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Term
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Definition
| an enzyme that catalyzes the synthesis of ATP from ADP and phospate (116) |
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Term
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Definition
| a series of chemical reactions in which the prodcut of one reaction is consumed in the next reaction (111) |
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Term
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Definition
| a biochemical pathway of photosynthesis in which CO2 is converted into carbohydrate (11&) |
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Term
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Definition
| crassulacean acid metabolism; a biochemical pathway in certain plants in which CO2 is incorporated into organic acids at night and released for fixation in the Calvin cycle during the day (119) |
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Term
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Definition
| the incorporatio of carbon dioxide into organic compounds (117) |
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Term
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Definition
| a light-absorbing compound that functions as an accessory pigment in phtosynthesis (113) |
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Term
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Definition
| a process in chloroplasts and mitochondria in whic the movement of protons down their concentratin gradient across a membrain is coupled to the synthesis of ATP (116) |
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Term
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Definition
| a class oflight-absorbing pigments used in phtosynthesis (113) |
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Term
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Definition
| a plant that fixes carbon exclusively through the Calvin cycle, named forthe three-carbon compound that is initially formed (119) |
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Term
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Definition
| a plant that incorporates CO2 into four-carbon compounds (119) |
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Term
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Definition
| molecules in the thylakoid mebrain or inner mitocondrial membrane that use some of the energy in electros to pump protones across the membrane (115) |
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Term
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Definition
| in plants, the solution that surrounds the thylakoids in a chloroplast (112) |
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Term
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Definition
| the portion of snlight perceived by the human eye as various colors (112) |
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Term
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Definition
| the distance between crests in a wave (113) |
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