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AP Biology - Photosynthesis Flashcards

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3010178555photoautotrophsorganisms that produce their own food using light energy - plants, protists, and algae0
3010180364mesophyllinner tissue of a leaf, contain many chloroplasts1
3010182099stromafluid that fills the inner area of a chloroplast2
3010183256thylakoidsfound in stacks in the chloroplast where the light reactions occur3
3010185276granastacks of thylakoids4
3010185277chlorophyllpigment that absorbs light energy to power the light reactions of photosynthesis5
3010188932stomatapores in the epidermis of a leaf that allow water to leave the plant and carbon dioxide to enter it6
3010190184light reactionsreactions that use carbon dioxide and water to create ATP and NADPH for use in the calvin cycle7
3010191718NADP+an electron acceptor that is reduced and is used to fuel the calvin cycle8
3010194048calvin cyclethe series of reactions where ATP and NADPH are used to form G3P which is then used to form glucose and other organic molecules including amino acids and nucleic acids9
3010199631carbon fixationreactions that use co2 to make glucose10
3010201978absorption spectrumthe range of wavelengths absorbed by a particular pigment11
3010208130chloroplastthe organelle where photosynthesis takes place12
3010210672products of light reactionsNADPH + ATP + O213
3010212458reactants of calvin cycleNADPH + ATP + CO214
3010216389waterthis molecule splits and allows for an electron to be bumped up to the primary electron acceptor in photosystem II15
3010220190photosystem IIthe location of water splitting16
3010220218p700this is the special chlorophyll that is located in photosystem I17
3010222902p680this is the special chlorophyll that is located in photosystem II18
3010226488chemoautotrophorganisms that produce their own food using inorganic materials - thermophilic bacteria19
3010236761guard cellsresponsible for opening and closing stomata20
3010238425photorespirationprocess where o2 gets substituted for CO2 in the calvin cycle21
3010240021c3 plantsthese plants have stomata open during the day and are most efficient in cool/moist conditions in normal light22
3010242712c4 plantsthese plants have stomata open during the day, but barely open on hot days, work best in high light/temps, use h20 better23
3010246530cam plantsthese plants only have stomata open at night, convert co2 to an acid that is then broken down during the day - work well in dry conditions24

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