Consider the reaction: Ketoglomerate + NAD --> ketocitrate + NADH In the reaction to the left, NADH is the ___________ and is in a/an ______ state compared to NAD. Select one: a. substrate, oxidized b. substrate, reduced c. product, reduced d. product, oxidized
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In the reaction to the left, NADH is the ___________ and is in a/an ______ state compared to NAD.
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- Consider the following reaction: glyceraldehyde-3-phosphate + NAD 1,3bisphosphoglycerate + NADH. In this reaction, glyceraldehyde-3-phosphate is ___________. This reaction takes place in ___________. Select one: a. reduced, electron transport chain b. reduced, Citric Acid Cycle c. oxidized, Citric Acid Cycle d. oxidized, electron transport chain e. reduced, Calvin CycleFor anabolic pathways, all are required except Select one: O a. To combine small molecules O b. it is a divergent process Oc. Often involve reductions in which the reducing power is most frequently provided by the electron donor NAD* Od. Reactions require energyIn the 1step of the 2-step reaction shown below, which substrate/co-substrate is being oxidized? a. NADH b. B-ketoacyl-CoA c. L-B-hydroxy-acyl-CoA d. NAD+ e. H+
- In the redox reaction below, molecule A becomes ____ and NADPH becomes ___A + NADPH --> B + NADP Select one: a. reduced, oxidized b. oxidized, oxidized c. reduced, reduced d. oxidized, reducedIn the redox reaction below, molecule A becomes ____ and NADPH becomes ___A + NADPH --> B + NADP Select one: a. reduced, oxidized b. reduced, reduced c. oxidized, oxidized d. oxidized, reducedComplete the following diagram, using arrows to show the flow of electrons, for this reaction catalyzed by GAP dehydrogenase. Draw how the enzyme pocket appears as the reaction is completed. Indicate the product (if any). NAD+ ÇHOPO он Сys
- Which of the following statements are true? Explain. I. ATP synthesis will cease to occur when the electron flow is blocked by cyanide. II. 2,4-DNP allows electron flow to continue in the ETC without the synthesis of ATP. III. -ΔG is the quantity that signifies that the reaction is SPONTANEOUS.Choose A=if statement 1 and statement 2 are both true; B=if statement 1 is true but statement 2 is false; C=if statement 1 is false but statement 2 is true; D=if statement 1 and statement 2 are both false 1. In beta oxidation, oxidation of the hydroxyl group generates aldehydes 2. Paul Boyer was the first scientist to describe the catalytic mechanism of ATP synthase Select the correct response: C В ARapidly dividing cells such as bone marrow, skin, intestinal mucosa, and cancer cells need DNA synthesis. In these cells, the following is observed: a. a decreased NADPH / NADP+ ratio b. increased flux through the oxidative reactions c. Flux through the oxidative reactions is low and the nonoxidative reactions are reversed to make ribose 5-phosphate. d. Ribose 5-phosphate is recycled through the oxidative steps via the nonoxidative reactions and gluconeogenesis. e. Ribose 5-phosphate is shunted into glycolysis by the nonoxidative reactions.
- Consider the function of the cofactor FAD. Which of the following makes it unique (different) from NAD+? Select all that apply. a. Can facilitate single electron transfers b. Is associated with an enzyme and not a mobile electron carrier c. Serves to facilitate redox reactions d. s an electron carrier in the TCA cycleIf you are given 4 hydrogen atoms (4H) and asked to carry out reduction of NAD+, state all the products that will result from this process. You can use any number of NAD+ but must account for all 4 H atoms and have no full H atoms left.The image below shows part of a key catabolic pathway. If an individual had a deficiency for the enzyme required at point "X", would they still be able to produce a high rate of ATP during very strenuous exercise? ATP in Glucose Prep. phase Payoff phase ļ - MacRoc Pyruvate →→→ Anaerobic fate of pyruvate ATP out ▬OD OF 1- HP 01 -- Select one: O a. No, because NAD* will not be regenerated by lactate dehydrogenase. The reduction of NAD+ to NADH is a required step during the payoff phase of glycolysis. O b. No, because lactate dehydrogenase is required for the continued recycling of NAD+ to NADH, thus allowing glycolysis to continue. Oc. Yes, because pyruvate dehydrogenase is necessary to produce acetyl-CoA, which under these conditions will feed into the citric acid cycle. Od. Yes, because this enzyme is responsible for the substrate-level phosphorylation necessary to maintain the ATP input for the preparatory phase of glycolysis. DE Report question issue Notes + 14:12 ( CE