Which of the following is an important enzyme involved in the synthesis of cholesterol from isoprene pyrophosphate? thiolase pyruvate decarboxylase O pyruvate dehydrogenase HMG-CoA reductase glucose oxidase
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- Which of the following glycolytic enzymes catalyzes the conversion of fructose-1,6-bisphosphate into the two product molecules dihydroxyacetone phosphate, and glyceraldehyde-3-phosphate? phosphoglycerate kinase pyruvate kinase malate dehydrogenase aldolase phosphofructokinaseWhich of the following enzymes catalyze a reaction where a ketone is converted to an acid? Alpha-ketoglutarate dehydrogenase Glyceraldehyde 3-phosphate dehydrogenase Pyruvate decarboxylase Fumarase Hexokinasecoo- 21 CH2 316 НО-С-СОО- HOC COO- 4 CH2 | 5, °coo-
- Enzyme involved in the synthesis of the compound forming bile salts and steroid hormones Acetyl CoA carboxylase HMG-COA reductase (mitochondrial) O HMG-COA reductase (cytosolic) Acetyl CoA reductaseWhat is the common end-product of the catabolism of the branched chain amino acids that are converted to succinyl CoA? alpha-ketoglutarate glyceraldehyde phosphate oxaloacetate . propionylCoA isovalerateWhich of the following is NOT part of the multi-enzyme complex of fatty acid synthase? O enoyl-ACP reductase O acetyl CoA carboxylase O 3-hydroxybutyrylACP-dehydratese O B-ketoacyl-ACP reductase
- Which enzyme is used for both the synthesis and breakdown of acetoacetate? thiolase O HMG-CoA synthase OB-hydroxybutyrate dehydrogenase O B-Ketoacyl-CoA transferaseWhat is the final reaction in the final round of fatty acid synthase? Acetyl-CoA ACP Transacylase Beta-Ketoacyl- ACP Synthase Beta-Ketoacyl- ACP Dehydrase Palmitoyl thioesterase Malonyl-CoA ACP Transacylase Enoyl-ACP ReductaseWhich of the following Krebs cycle enzymes generates a molecule of FADH2 from FAD? a-ketoglutarate dehydrogenase pyruvate dehydrogenase isocitrate dehydrogenase malate dehydrogenase succinate dehydrogenase
- Which one of the following pairs of compounds are joined together to conserve carbon in the glyoxylate cycle? Acetyl-CoA + Glyoxylate Oxaloacetate + Malate CO2 + CO2 Pyruvate + CO2 Ribulose-1,5-Bisphosphate + CO2 O O O O CWhich of the following statements is TRUE about cholesterol biosynthesis? Group of answer choices HMG-CoA lyase catalyzes the committed step. Cholesterol is composed of 30 carbon atoms. NADH is needed to form mevalonate. Six molecules of isopentyl pyrophosphate condense to form squalene.Which of the following statements is TRUE about cholesterol biosynthesis? O NADH is needed to form mevalonate. O HMG-CoA lyase catalyzes the committed step. Six molecules of isopentyl pyrophosphate condense to form squalene. O Cholesterol is composed of 30 carbon atoms.