Fermentation & Respiration

Fermentation & Respiration screenshot

EXPLORE — forwards and backwards, one step at a time — glycolysis, alcoholic fermentation, the tricarboxylic acid cycle, and (in summary) respiratory-chain phosphorylation.


DISCOVER the names of enzymes, the names and structures of reactants and products, and a running account of net reaction (from glucose).


ENRICH biochemistry, biology, and food sciences.


This title is available only as software.



  • GLYCOLYSIS (a form of anaerobic fermentation) & ALCOHOLIC FERMENTATION (begins with the same reactions as glycolysis)
    • Hexokinase or Glucokinase Reaction
    • Glucose Phosphate Isomerase Reaction
    • 6-Phosphofructokinase Reaction
    • Fructose Diphosphate Aldolase Reaction
    • Triosephosphate Isomerase Reaction
    • Glyceraldehydephosphate Dehydrogenase Reaction
    • Phosphoglycerate Kinase Reaction
    • Phosphoglyceromutase Reaction
    • Enolase Reaction
    • Pyruvate Kinase Reaction
    • Selection of Next Reaction(s)
      • Final Reaction in Glycolysis
        • Lactate Dehydrogenase Reaction
      • Next Reactions in Alcoholic Fermentation
        • Pyruvate Decarboxylase Reaction
        • Alcohol Dehydrogenase Reaction
      • Preparatory Reaction for the TCA Cycle
        • Pyruvate Dehydrogenase Complex Reaction
  • THE TRICARBOXYLIC ACID [TCA] CYCLE (with inputs from glycolysis)
    • Citrate Synthase Reaction
    • Aconitase Reaction (in two steps, with enzyme-bound intermediate)
    • Isocitrate Dehydrogenase Reaction (in two steps, with enzyme-bound intermediate)
    • Alpha-Ketoglutarate Dehydrogenase Complex Reaction
    • Succinyl-CoA Synthetase Reaction (with Nucleoside Diphosphate Kinase side-reaction)
    • Succinate Dehydrogenase Reaction
    • Fumarase Reaction
    • Malate Dehydrogenase Reaction
    • Selection of Next Reaction(s)
      • Citrate Synthase Reaction (Another Repetition of the TCA Cycle)
      • First Reaction in Respiratory-Chain Phosphorylation
  • RESPIRATORY-CHAIN PHOSPHORYLATION (with inputs from glycolysis and TCA Cycle): Coupled to Mitochondrial Electron Transport
    • Net Reactants
      • 1 Glucose
      • 6 Oxygen (gas)
      • 36 ADP
      • 36 Phosphate
    • Net Products
      • 6 Carbon Dioxide
      • 42 Water
      • 36 ATP

Sample Material


© Copyright 1991 Douglas Drenkow. All Rights Reserved.

Sample Screenshots: Hexokinase or Glucokinase Reaction


Click either image for full-size screenshot.


Hexokinase or Glucokinase Reaction Reactants


Hexokinase or Glucokinase Reaction Products


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