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 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

3. Which of the following reactions is not reversible?

  • 3-Phosphoglycerate (3PG) -> 2-Phosphoglycerate (2PG)
  • Fructose-6-phosphate (F6P) -> Fructose-1,6-bisphopshate (FBP)
  • 1,3-Bisphosphoglycerate (1,3-BPG) -> 3-Phosphoglycerate (3PG)
  • Fructose-1,6-bisphopshate (FBP) -> GAP

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

  • GAP
  • DHAP

5. Which set of symbols/names summarise the stages of glycolysis?

  • Glucose--HK-->G6P--PGI-->F6P--PFK-->FBP--enolase-->DHAP--TIM-->GAP--GAPDH-->1,3-BPG--PGK-->3PG--PGM-->2PG--aldolase-->PEP--PK-->pyruvate
  • Glucose--HK-->F6P--PGI-->G6P--PFK-->FBP--aldolase-->DHAP--TIM-->GAP--GAPDH-->1,3-BPG--PGK-->2PG--PGM--3PG--enolase-->PEP--PK-->pyruvate
  • Glucose--HK-->G6P--PGI-->F6P--PFK-->FFP--aldolase-->DHAP--TIM-->GAP--GAPDH-->1,3-BPG--PGK-->3PG--PGM-->2PG--enolase-->PEP--PK-->pyruvate
  • Glucose--HK-->G6P--PGI-->F6P--FBP-->PFK--aldolase-->DHAP--TIM-->GAP--GAPDH-->1,3-BPG--PGK-->3PG--PGM-->2PG--enolase-->PEP--PK-->pyruvate
  • Glucose--HK-->G6P--PGI-->F6P--PFK-->FBP--aldolase-->DHAP--TIM-->GAP--GAPDH-->1,3-BPG--PGK-->3PG--PGM-->2PG--emolase-->PEP--PK-->pyruvate
  • Glucose--HK-->G6P--PGI-->F6P--PFK-->FBP--aldolase-->DHAP--TIM-->GAP--GAPDH-->1,3-BPG--PGK-->3PG--PGM-->2PG--enolase-->PEP--PK-->pyruvate
  • Glucose--HK-->G6P--PGI-->F6P--PFK-->FBP--aldolase-->GAP--TIM-->DHAP--GAPDH-->1,3-BPG--PGK-->3PG--PGM-->2PG--enolase-->PEP--PK-->pyruvate
  • Glucose--HK-->G6P--PGI-->F6P--PFK-->FBP--aldolase-->DHAP--TIM-->GAP--GAPDH-->1,3-BPG--PGK-->3PG--PGM-->2PG--enolase-->PEP--PRV-->pyruvate
  • Glucose--HK-->G6P--PGI-->F6P--PFK-->FBP--aldolase-->DHAP--TIM-->GAP--GAPDH-->1,3-BPG--PGK-->3PG--PKM-->2PG--enolase-->PEP--PK-->pyruvate

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