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 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 reductaseWhich 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 Hexokinase
- 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 reductasecoo- 21 CH2 316 НО-С-СОО- HOC COO- 4 CH2 | 5, °coo-What 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 isovalerate
- 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 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.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.