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9 Cards in this Set
- Front
- Back
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acetyl CoA
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molecule made up of a 2-carbon acetyl group attached to coenzyme A. During cellular respiration, the acetyl group enters the citric acid cycle for further breakdown
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citric acid cycle
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cycle of reactions in mitochondria that begins with citric acid. It breaks down an acetyl group and produces CO2, ATP, NADH, and FADH2; also called the Krebs cycle
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coenzyme A (COA)
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molecule that helps oxidate pyruvate in the preparatory (prep) reaction during cellular respiration
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electron transport chain
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passage of electrons along a series of electron carriers from a higher to lower energy level; the energy released is used for the synthesis of ATP
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fermentation
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anaerobic breakdown of glucose that results in a gain of two ATP and end products such as alcohol and lactate
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glycolysis
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anaerobic breakdown of glucose that results in a gain of two ATP and the end product pyruvate
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intermembrane space
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space that occurs between the outer and inner membrane of a mitochondrion
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oxygen deficit
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amount of oxygen needed to metabolize lactate, a compound that accumulates during vigorous exercise
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preparatory (prep) reaction
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reaction that oxidizes pyruvate with the release of CO2; results in acetyl CoA and connects glycolysis to the citric acid cycle
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