Enzymes of Glycolysis – Flashcards
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| What is the first enzyme used in Glycolysis? |
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| Hexokinase |
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| What does Hexokinase do? |
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| Takes an ATP and makes an ADP. Adds a phosphate group to the 6th carbon of glucose, creating Glucose 6-phosphate |
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| What is the second enzyme in Glycolysis? |
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| Phosphoglucose Isomerase |
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| What does phosphoglucose isomerase do? |
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| Re-arranges molecules from the 1st and 2nd carbon groups, creating Fructose 6-phosphate |
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| What is the third enzyme in Gycolysis? |
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| Phosphofructokinase |
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| What does phosphofructosekinase do? |
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| Takes an ATP and makes an ADP. Adds a phosphate group to the first carbon group creating Fructose 1,6-biphosphate. |
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| What is the fourth enzyme in Glycolysis? |
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| Aldolase |
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| What does Aldolase do? |
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| Splits the fructose 1,6 biphosphate into 2 compounds. Dihydroxyacetone Phosphate and Glycereldahyde 3-phosphate. |
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| What is the fifth enzyme in Glycolysis? |
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| Triose Phosphate Isomerase |
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| What does Triose Phosphate Isomerase do? |
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| Rearranges molecules in Dihydroxyacetone Phosphate into Glyceraldehyde 3-phosphate |
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| What is the 6th enzyme in Glycolysis? |
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| Glyceraldehyde 3-phosphate dehydrogenase |
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| What does Glyceraldehyde 3-phosphate dehydrogenase do? |
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| Takes a Phosphate group and an NAD to reduce the NAD to NADH taking 1 hydrogen and convert the Glyceraldehyde 3-phosphate to 1,3 biphosphoglycerate, adding a phosphate group where the hydrogen was removed. |
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| What is the 7th enzyme in Glycolysis? |
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| Phosphoglycerate Kinase |
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| What does Phosphoglycerate Kinase do? |
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| Takes 2 ADP, makes 2 ATP. Removes the 1 phosphate and makes 1,3 biphosphoglycerate into 3-phosphoglycerate. |
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| What is the 8th enzyme in Glycolysis? |
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| Phosphoglycerate Mutase |
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| What does phosphoglycerate Mutase do? |
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| Re-arranges the phosphate group from 3 to 2 making 3-phosphoglycerate into 2-phosphoglycerate |
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| What is the 9th enzyme in Glycolysis? |
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| Enolase |
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| What does Enolase do? |
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| Catalyzes a reaction that removes the -OH on C-3 and the -H on C-2 making water. A double bond forms between C-2 and C-3. Makes phosphoenolpyruvate. |
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| What is the 10th enzyme in Glycolysis? |
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| Pyruvate Kinase |
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| What does Pyruvate Kinase do? |
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| Takes 2 ADP and makes 2 ATP. Changes Phosphoenolpyruvate to Pyruvate |
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Substrates Glucose |
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Enzymes Hexokinase |
