In the glyoxylate cycle, isocitrate is converted directly to what substance? a.fumarate b.succinate c.malate d.oxaloacetate
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In the glyoxylate cycle, isocitrate is converted directly to what substance?
a.fumarate
b.succinate
c.malate
d.oxaloacetate
Step by step
Solved in 2 steps
- Which process does not generate CO2? A. the citric acid cycle B. the conversion of pyruvate to lactic acid C. the conversion of pyruvate to acetyl-CoA D. the conversion of pyruvate to ethanolA patient complains of painful muscle cramps when performing strenuous physical exercise. A muscle biopsy indicates a higher than normal concentration of muscle glycogen. a. Which enzyme of glycogen metabolism is affected? b. Discuss how the defect of this enzyme affects glycogen metabolism.In which step of glycerol metabolism does each of the following events occur? a. The oxidizing agent NAD1 is needed. b. ADp is produced. c. Glycerol 3-phosphate is a reactant. d. A secondary alcohol group is oxidized.
- If an individual has impaired respiratory function, as occurs with emphysema, you would expect all of the following except a. production of additional lactate. b. an impaired ability to make ATP. c. low energy levels and complaints of being tired. d. increased aerobic cellular respiration.Which of the given process does not occur in mitochondria? a.Formation of acetyl CoA b.Oxidation of NADH + Ht c.Citric acid formation d.Conversion of pyruvic acid to acetaldehydeWhat are the effects of INCREASED concentration of citrate? Select one: a. Increases the inhibitory effect of ATP. b. Increases the activity of ATP. c. Increases the activity of AMP. d. Decreases the inhibitory effect of ATP.
- The enzyme that decarboxylates pyruvate before it gets converted to Acetyl CoA is a. Pyruvate dehydrogenase b. Pyruvate decarboxylase c. Pyruvate carboxylase d. Pyruvate oxidative decarboxylaseWhat specific reaction cannot occur due to the presence of cyanide? A.Transfer of electrons to co-enzymes B.Inability to strip a carbon from pyruvate C.Transfer of electrons to and between carrier proteins D.Addition of a phosphate onto ADP to make ATPNAD is reduced in which Citric Acid cycle reaction? (a) Isocitrate to oxaloacetate (b) alpha-ketoglutarate to Succinyl CoA (c) Malate to oxaloacetate (d) Succinate to fumarate (e) Oxaloacetate to Citrate
- The most regulated enzyme in glycolysis is a Hexokinase b G3P Dehydrogenase c Pyruvate Kinase d PhosphofructokinaseWhich one of the following is NOT a metabolic effect of glucagon secretion? Select one: a. Increase in gluconeogenesis. b. Increased glycogenolysis. c. Increase in the activity of adenylate cyclase. d. Increased amino acid uptake by the muscles.Which of the following citric acid cycle intermediates is decarboxylated during the operation of the cycle? A. More than one correct response B. No correct response C. Isocitrate D. Succinate E. Oxaloacetate
