Glycolysis

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  • Created by: Frankie
  • Created on: 24-11-13 21:18

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

  • 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)
  • pyruvate kinase, phosphoglycerate kinase (PGK), enolase & phosphoglucose isomerase (PGI)
  • aldolase, hexokinase (HK), pyruvate kinase (PK) & phosphofructokinase (PFK)
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2. Which enzyme catalyses the reaction of glucose -> glucose-6-phosphate?

  • Phosphofruktokinase (PFK)
  • Hexokinase
  • Triose phosphate isomerase (TIM)
  • Phosphoglucose-isomerase (PGI)
  • Aldolase

3. Which enzyme catalyses the reaction of Glucose-6-phosphate->Fructose-6-phosphate?

  • Phosphoglycerate mutase (PGM)
  • Phosphoglucose isomerase (PGI)
  • Phosphofructokinase (PFK)
  • Phosphoglycerate kinase (PGK)

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

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

5. Which of DHAP and GAP continue onto the next step of glycolysis?

  • GAP
  • DHAP

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