Module 4, Unit 2 - Assignment

Module 4, Unit 2 - Assignment - 1. Is oxygen required for...

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1. Is oxygen required for glycolysis? - Oxygen is not required for glycolysis. 2. Define glycolysis. - A series of endothermic and exothermic reactions that convert glucose into pyruvate with the use of two molecules of ATP. 3. Why is ATP needed to initiate glycolysis? - ATP is needed to initiate glycolysis because it provides the energy necessary. 4. Describe the first reaction in glycolysis. Is this reaction catalyzed by an enzyme? (2 points) - One molecule of ATP donates its terminal phosphate to the glucose molecule. This reaction is catalyzed by an enzyme. 5. Define phosphorylation. - The addition of a phosphate group to a molecule. 6. Describe the second reaction of glycolysis. - Another molecule of ATP donates its terminal phosphate group to the other end of the six-carbon chain. 7. The transfer of phosphate groups to glucose and fructose is not a100% transfer of energy. Some energy is lost. In what form is this lost energy? - This energy is lost as heat. 8. What regulates the speed of the glycolysis pathway? - The enzyme that catalyzed this reaction regulates the speed of the glycolysis pathway. 9. Describe reaction three of glycolysis. - The diphosphorylated six-carbon compound is split between the third and fourth carbons which forms two essentially similar three-carbon molecules are formed. . 10. What does PGAL stand for? Give the two names for PGAL.
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Module 4, Unit 2 - Assignment - 1. Is oxygen required for...

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