6.1 Skills Vocabulary Worksheet: Photosynthesis – Flashcards
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photosynthesis
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the process by which light energy is converted to chemical energy
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autotrophs
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organisms that use energy from sunlight or inorganic substances to make organic compounds
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heterotrophs
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organisms that get energy by consuming food
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granum
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stack of thykaloids
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pigment
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a substance that absorbs light
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chlorophyll
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the primary pigment involved in photosynthesis
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carotenoids
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absorb wavelengths of light different from those absorbed by chlorophyll
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electron transport chain
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the series of molecules down which excited electrons are passed in a thylakoid membrane
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carbon fixation
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incorporation of carbon dioxide into organic compounds
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C4 pathway
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CO2 fixed into four-carbon compounds
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CAM pathway
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water-conserving process of carbon fixation
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chemiosmosis
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the process that relies on a concentration gradient of protons
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light reactions
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a series of reactions that involve pigments
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stomata
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small pores in leaves
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thylakoids
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disk-shaped structures inside chloroplasts
