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6. Which combination of enzymes catalyse reactions that are all reversible?

  • pyruvate kinase, phosphoglycerate kinase (PGK), enolase & phosphoglucose isomerase (PGI)
  • aldolase, hexokinase (HK), pyruvate kinase (PK) & phosphofructokinase (PFK)
  • hexokinase (HK), enolase, aldolase, pyruvate kinase (PK) & phosphofructokinase (PFK)
  • aldolase, phosphoglycerate kinase (PGK), enolase & phosphoglucose isomerase (PGI)
  • aldolase, hexokinase (HK), phosphoglycerate mutase (PGM) & phosphofructokinase (PFK)

7. What comes after 3-phosphoglycerate (3PG)?

  • 1,3 - Bisphosphoglycerate
  • 2-Phosphoglycerate (2PG)
  • Phosphoenolpyruvate (PEP)
  • Pyruvate

8. Which reaction does the enzyme phosphoglycerate kinase (PGK) catalyse?

  • 1,3-Bisphosphoglycerate (1,3-BPG) -> 3-Phosphoglycerate (3PG)
  • Glucose-6-phosphate (G6P) -> Fructose-6-phosphate (F6P)
  • 3-Phosphoglycerate (3PG) -> 2-Phosphoglycerate (2PG)
  • DHAP->GAP