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Cells and Energy

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Term
Definition
ATP   a molecule that transfers energy from the breakdown of food molecules to cell processes  
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ADP   a lower-energy molecule that can be converted into ATP by the addition of a phosphate group  
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chemosynthesis   a process by which some organisms use chemical energy instead of light energy to make energy-storing carbon-based molecules  
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photosynthesis   a process that captures energy from sunlight to make sugars that store chemical energy  
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chlorophyll   a molecule in chloroplasts that absorbs some of the energy in visible light  
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thylakoid   coin-shaped, membrane-enclosed compartments  
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light-dependent reactions   reactions that capture energy from sunlight  
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light-independent reactions   reactions that use energy from the light-dependent reactions to make sugars  
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photosystem   groups of molecules in with energy in captured and transferred in the thylakoid membranes  
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electron transport chain   a series of proteins in the membrane of the thylakoid  
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ATP synthase   the process that makes ATP by adding phosphate groups to ADP  
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Calvin cycle   chemical reactions that use carbon dioxide gas from the atmosphere and the energy carried by ATP and NADPH to make simple sugars  
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cellular respiration   a process that releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present  
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aerobic   a type of process that needs oxygen to take place  
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glycolysis   the process that splits glucose into two three-carbon molecules and makes two molecules of ATP  
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anaerobic   a type of process that does not need oxygen to take place  
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Krebs cycle   the cycle that produces molecules that carry energy to the second part of cellular respiration  
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fermentation   an anaerobic process that allows glycolysis to continue  
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lactic acid   the substance that causes your muscles to "burn" during hard exercise  
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Created by: tuohybio1415
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