terms 6.1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| autotroph | an organism that produces its own nutrients from inorganic substances or from the environment
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| chloroplast | an organelle found in plant and algae cells where photosynthesis occurs
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| chlorophyll | a green pigment that is present in most plant cells, gives them their green color, and that reacts with sunlight, carbon dioxide, and water to form carbs
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| carotenoid | a class of pigments that are present in the thylakoid membrane of plants and that assists in photosynthesis
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| chemiosmosis | in chloroplasts and mitochondria, a process in which the movement of protons down their concentration gradient across a membrane is coupled to ATP synthesis
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| electron transport chain | a series of molecules, found in the inner membrane of mitochondria and chloroplasts, through which electrons pass in a process that causes protons to build up on one side of the membrane
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| granum | a stack of thylakoids in a chloroplast
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| light reactions | the initial reactions in photosynthesis, which are triggered by the absorption of light
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| photosynthesis | the process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to produce carbohydrates and oxygen
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| pigment | a substance that gives another substance or mixture its color
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| photosystem | in the thylakoid membranes in chloroplasts, a cluster of chlorophyll and other pigment molecules that harvest light energy for the light reactions of photosynthesis
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| primary electron acceptor | in chloroplasts, an acceptor of electrons lost from chlorophyll a; found in the thylakoid membrane
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| stroma | in plants, the solution that surrounds the thylakoid in chloroplasts
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| thylakoid | a membrane system found within chloroplasts hat contains the components for photosynthesis
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| heterotroph | an organism that obtains organic food molecules by eating other organisms or their byproducts
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Created by:
Addaleigh
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