energy powerhouse where cellular respiration mainly takes place
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parts of cellular respiration
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1) Glycolysis
2) Krebs cycle
3) ETC and Chemiosmosis
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organisms in which cellular respiration occurs
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both heterotrophs and autotrophs
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glycolysis location
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occurs in cytoplasm, doesn't require oxygen (fermentation)
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aerobic respiration location
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occurs in mitochondria, requires oxygen
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ATP use in organism
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Metabolic and life processes
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electron at end of ETC in cellular respiration
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O2 is final electron acceptor in the ETC; bonds and becomes H2O
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ETC and Chemiosmosis
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produces most of the ATP formed during cellular respiration (32)
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amount of ATP molecules formed during cellular respiration
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36 ATP
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amount of ATP molecules produced from one glucose w/o oxygen
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2 ATP
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lactic acid
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substance produced when not enough oxygen reaches muscles
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similarities between mitochondria and chloroplasts
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both have their own DNA, are surrounded by a double membrane, and have enzymes that synthesize ATP
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compare/contrast photosynthesis and cellular respiration
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Both transport electrons, involve energy. Photosynthesis uses carbon dioxide and water, produces glucose and oxygen, and takes place in chloroplasts. Cellular respiration uses glucose and oxygen, produces carbon dioxide, water, and ATP, takes place in mitochondria.
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cycled vs. constantly required in photosynthesis and cellular respiration
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carbon dioxide, water, glucose, oxygen are reused; energy must constantly be put in by the sun
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