MT2Key

MT2Key - Answer Key for BILD1 FA07 Midterm II Question 1:...

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Question 1: Part a: * Full credit: Inputs Outputs puryvate + NAD + + H + + Coenzyme A Acetyl CoA + NADH + CO 2 * Half credit is given for correct molecules but on the wrong side. * Points are deducted for additional incorrect reactants/products (e.g. ATP) * Accepted: pyruvate = oxidized OR pyruvate = reduced form NAD + = reduced OR NAD + = oxidized form * If ONLY glycolysis is shown, partial credit is given for NAD + (as input), NADH (as product) and correct “reduced” label. Part b: * Full credit: Acetyl Coa: enters the citric acid cycle / Krebs cycle / TCA cycle NADH: deposits electrons at the electron transport chain OR helps to power oxidative phosphorylation. CO 2 : not metabolized further OR released from the cell. * If ONLY glycolysis is shown in part (a), partial credit is given for correct fates of products from glycolysis. Part c: * Full credit: Part (a): Acetyl CoA formation – in mitochondrial matrix OR occurs as pyruvate moves from cytosol to matrix Part (b): Citric Acid Cycle – in mitochondrial matrix Electron Transport Chain – in inner mitochondrial membrane * Partial credit is given for just saying “inside mitochondria”. * If ONLY glycolysis is shown in part (a), partial credit is given for
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MT2Key - Answer Key for BILD1 FA07 Midterm II Question 1:...

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