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AP Biology: Chapter 9 Flashcards

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10276658373aerobicChemical reactions that require the presence of oxygen0
10276658375anaerobicprocess that does not require oxygen1
10276658376ATP synthaseprotein structure in cell mitochondria that uses energy from H+ ions to convert ADP to ATP2
10276658377beta oxidationreaction that converts fatty acid molecules to acetyl CoA. The CoA then enters the Krebs cycle to produce ATP energy3
10276658378cellular respirationBreaking down glucose to provide energy for the cell; occurs in the mitochondria in eukaryotes4
10276658379chemiosmosisthe generation of ATP energy by the movement of hydrogen ions across a membrane during cellular respiration or photosynthesis5
10276658382electron transport chainA sequence of electron carrier molecules (membrane proteins) that shuttle electrons down a series of redox reactions that release energy used to make ATP.6
10276658383facultative anaerobeorganism that can survive with or without oxygen7
10276658384fermentationa metabolic process that consumes sugar in the absence of oxygen. The products are organic acids, gases, or alcohol8
10276658385glycolysisa process by which glucose, a sugar, is broken down into smaller molecules9
10276678824Krebs cyclethe sequence of reactions by which most living cells generate energy during the process of aerobic respiration. It takes place in the mitochondria, consuming oxygen, producing carbon dioxide and water as waste products, and converting ADP to energy-rich ATP.10
10276658386lactic acid fermentationthe chemical breakdown of carbohydrates that produces lactic acid as the main end product11
10276658387NAD+electron carrier involved in glycolysis12
10276658388oxidation(in a redox reaction) Losing electrons, losing H, gaining O13
10276658391proton-motive forceThe potential energy stored in the form of a proton electrochemical gradient, generated by the pumping of hydrogen ions (H+) across a biological membrane during chemiosmosis.14
10276658392redox reactionA chemical reaction involving the complete or partial transfer of one or more electrons from one reactant to another15
10276658393reducing agentThe electron donor in a redox reaction.16
10276658394reduction(in a redox reaction) Gaining electrons, gaining H, losing O17
10276658395substrate-level phosphorylationthe formation of ATP by the direct transfer of a phosphate group from a substrate to ADP18

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