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5.2 Gluconeogenesis — Test 1
Q1. No net conversion of fatty acids to glucose occurs in mammals because:✓ The pyruvate dehydrogenase reaction is irreversible
Q2. Which one of the following is NOT associated with gluconeogenesis?✓ Glucose-6-phosphate dehydrogenase (G6PD)
Q3. The pathway involved in the synthesis of glucose from non-carbohydrate precursors is:✓ Gluconeogenesis
Q4. The synthesis of glucose from pyruvate by gluconeogenesis:✓ Requires the participation of biotin
Q5. The synthesis of glucose from pyruvate by gluconeogenesis (repeat):✓ Requires the participation of biotin
Q6. The pathway for glucose synthesis from non-carbohydrate precursors is:✓ Gluconeogenesis
Q7. During starvation, tissue proteins and lipids are mobilized towards the formation of glucose by a process called:✓ Gluconeogenesis
Q8. Glucose can be formed in the liver by which of the following pathways?✓ Gluconeogenesis
Q9. Which one of the following enzymes is NOT involved in gluconeogenesis?✓ Hexokinase
Q10. Which of the following enzymes is involved ONLY in the gluconeogenesis pathway?✓ Pyruvate carboxylase
Q11. Glucose can be formed in liver by which pathways?✓ Gluconeogenesis
Q12. Which one of the following reactions is unique to gluconeogenesis?✓ Oxaloacetate to phosphoenolpyruvate
Q13. The key enzyme involved in gluconeogenesis is:✓ Phosphoenolpyruvate carboxykinase
Q14. Fatty acids cannot be converted into glucose in mammals because of all the following EXCEPT:✓ Acetyl-CoA cannot be translocated from the mitochondrial matrix into the cytoplasm for gluconeogenesis