Chapter 17: Glycolycis notes

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Last updated 9:28 PM on 4/12/23
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20 Terms

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What is glycolysis?
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Glycolysis is the first stage of glucose metabolism.
2
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How many ATP molecules are used in the beginning steps of glycolysis?
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Two ATP molecules are used in the beginning steps of glycolysis.
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How many ATP molecules are produced in the later steps of glycolysis?
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Four ATP molecules are produced in the later steps of glycolysis.
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What is the net gain of ATP molecules for each glucose molecule broken down in glycolysis?
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The net gain of ATP molecules for each glucose molecule broken down in glycolysis is two ATP molecules.
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What happens in Step 6 of glycolysis?
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In Step 6 of glycolysis, glyceraldehyde-3-phosphate is oxidized and phosphorylated to give 1,3-bisphosphoglycerate.
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What is the product of Step 7 of glycolysis?
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The product of Step 7 of glycolysis is 3-phosphoglycerate.
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What happens in Step 8 of glycolysis?
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In Step 8 of glycolysis, 3-phosphoglycerate is isomerized to give 2-phosphoglycerate.
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What happens in Step 9 of glycolysis?
In Step 9 of glycolysis, 2-phosphoglycerate is dehydrated to give phosphoenolpyruvate.
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What happens in Step 10 of glycolysis?
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In Step 10 of glycolysis, a phosphate group is transferred from phosphoenolpyruvate to ADP to give pyruvate.
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What happens in Step 1 of glycolysis?
In Step 1 of glycolysis, glucose is phosphorylated to give glucose-6-phosphate.
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What is the enzyme that catalyzes Steps 1 and 2 of glycolysis?
The enzyme that catalyzes Steps 1 and 2 of glycolysis is hexokinase.
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What is the enzyme that catalyzes Step 3 of glycolysis?
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The enzyme that catalyzes Step 3 of glycolysis is phosphoglucose isomerase.

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What happens in Step 4 of glycolysis?
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In Step 4 of glycolysis, Fructose-1,6-bisphosphate is split into two 3-carbon fragments.
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What is the enzyme that catalyzes Step 4 of glycolysis?
The enzyme that catalyzes Step 4 of glycolysis is aldolase.
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What happens in Step 5 of glycolysis?
In Step 5 of glycolysis, dihydroxyacetone phosphate (DHAP) is converted to glyceraldehyde-3-phosphate.
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What are the two molecules formed after Step 5 of glycolysis?
The two molecules formed after Step 5 of glycolysis are glyceraldehyde-3-phosphate.
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What is the key intermediate in glycolysis?
The key intermediate in glycolysis is fructose-1,6-bisphosphate.
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What is the enzyme that catalyzes the reaction in which fructose-1,6-bisphosphate is formed?
The enzyme that catalyzes the reaction in which fructose-1,6-bisphosphate is formed is phosphofructokinase.
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What is the overall energy yield of glycolysis?
The overall energy yield of glycolysis is two ATP molecules.
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What is the purpose of glycolysis?
The purpose of glycolysis is to extract energy from

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