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Photosyn/Respiration
| Question | Answer |
|---|---|
| A green pigment located within the chloroplasts of plants. | Chlorophyll |
| A route of electron flow during the light reactions of photosynthesis that involves both photosystems and produces ATP, NADPH, and oxygen. The net electron flow is from water to NADP+. | non-cyclic electron flow |
| A quantum, or discrete amount, of light energy. | Photon |
| Ribulose carboxylase, the enzyme that catalyzes the first step of the Calvin cycle (the addition of CO2 to RuBP, or ribulose bisphosphate). | Rubisco |
| A metabolic pathway that consumes oxygen, releases carbon dioxide, generates no ATP, and decreases photosynthetic output; | photorespiration |
| A plant that uses the Calvin cycle for the initial steps that incorporate CO2 into organic material, forming a three-carbon compound as the first stable intermediate. | C3 plant |
| That portion of the electromagnetic spectrum detected as various colors by the human eye, ranging in wavelength from about 380 nm to about 750 nm. | visible light |
| A loosely arranged photosynthetic cell located between the bundle sheath and the leaf surface. | mesophyll cell |
| Light-capturing unit located in the thylakoid membrane of the chloroplast, consisting of a reaction center surrounded by numerous light-harvesting complexes. | photosystem |
| The incorporation of carbon from CO2 into an organic compound by an autotrophic organism | carbon fixation |
| A type of metabolism in which carbon dioxide is taken in at night and incorporated into a variety of organic acids. | crassulacean acid metabolism (CAM) |
| A route of electron flow during the light reactions of photosynthesis that involves only photosystem I and that produces ATP but not NADPH or oxygen. | cyclic electron flow |
| A specialized molecule sharing the reaction center with the pair of reaction-center chlorophyll a molecules; it accepts an electron from one of these two chlorophylls. | primary electron acceptor |
| A type of blue-green photosynthetic pigment that participates directly in the light reactions. | chlorophyll a |
| The ground tissue of a leaf, sandwiched between the upper and lower epidermis and specialized for photosynthesis. | mesophyll |
| An accessory pigment, either yellow or orange, in the chloroplasts of plants. | carotenoid |
| A microscopic pore surrounded by guard cells in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant. | Stoma |
| A type of yellow-green accessory photosynthetic pigment that transfers energy to chlorophyll a. | Chlorophyll b |
| A graph that depicts the relative effectiveness of different wavelengths of radiation in driving a particular process. | action spectrum |
| An enzyme that adds carbon dioxide to phosphoenolpyruvate (PEP) to form oxaloacetate. | PEP carboxylase |
| The process of generating ATP from ADP and phosphate by means of a proton-motive force generated by the thylakoid membrane of the chloroplast during the light reactions of photosynthesis. | photophosphorylation |
| Nicotinamide adenine dinucleotide phosphate, an acceptor that temporarily stores energized electrons produced during the light reactions. | NADP+ |
| The conversion of light energy to chemical energy that is stored in glucose or other organic compounds; occurs in plants, algae, and certain prokaryotes. | Photosynthesis |
| One of two light-capturing units in a chloroplast’s thylakoid membrane; it has two molecules of P700 chlorophyll a at its reaction center. | photosystem I |
Created by:
ckay
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