Glycolysis Part I: The Investment Phase

Activity 1: List the substrates missing from the following diagram (draw the substrates for extra credit):

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1. Glucose

2. Glucose 6-phosphate

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3. Fructose 6-phosphate

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4. Fructose 1,6-bisphosphate

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5. Dihydroxyacetone Phosphate

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6. Glyceraldehyde 3-phosphate

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Activity 2: List the energy substrates missing from the following diagram:

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  1. ATP
  2. ADP
  3. ATP
  4. ADP


Activity 3: List the enzymes missing from the following diagram:

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  1. Hexokinase (termed Glucokinase in the liver)
  2. Phosphoglucose Isomerase
  3. Phosphofructokinase 1
  4. Aldolase
  5. Triose Phosphate Isomerase

*Repeat Activities 1 through 3 until you have achieved a perfect score on each one.


Activity 4: Without looking, draw the entire Investment Phase of Glycolysis, including the 6 substrates, 4 energy substrates, and 5 enzymes.

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*Repeat Activity 4 until you have drawn it perfectly.