1) Where does glycolysis occur? 2) Where does the citric acid cycle occur? 3) Where does the electron transport chain occur? 4) What is stage 1 of glycolysis called? 5) What is stage 2 of glycolysis called? 6) What are the requirements for glycolysis? 7) What are the products of glycolysis? 8) What are the requirements of the citric acid cycle? 9) What are the products of the citric acid cycle? 10) What are the requirements for the electron transport chain? 11) What are the products of the electron transport chain? 12) What is the net gain of ATP during aerobic respiration? 13) What is the role of dehydrogenase? 14) What does acetyl join with during the citric acid cycle? 15) What molecule transports hydrogen and electron ions to stage 3? 16) What is the enzyme called for the electron transport chain? 17) Which of the following is the correct spelling: oxoloacitate, oxalocetate, oxaloacetate, oxaloacitate. 18) In which direction of the concentration gradient does hydrogen pass through the membrane? 19) What is a membrane composed of? 20) Which stage is pyruvate the substrate for? 21) Does NADH release high energy or low energy electrons? 22) What are the proteins in the membrane called? 23) In which direction of the concentration gradient does hydrogen ions return through the membrane? 24) Electrons, hydrogen and oxygen combine to form what? 25) Which stage is glucose the substrate for? 26) Explain how there is a net gain of 2 ATP. 27) Between which two intermediates is the process reversible? 28) What is phosphorylation?

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