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Questions and Answers
What is the primary energy source for living cells?
Glucose molecule from the food you eat
What is the sequence of enzyme reactions called that breaks down glucose into pyruvate molecules?
Glycolysis
What organelles are the primary source of ATP in cells?
Mitochondria
What is the first step in the glycolysis pathway?
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What must happen to dihydroxyacetone phosphate before it can continue with glycolysis?
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What is the role of the sixth enzyme in glycolysis?
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How many ATP molecules has the cell consumed halfway through glycolysis?
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What is the product of the seventh enzyme in glycolysis?
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What is the role of the ninth enzyme in glycolysis?
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What are the final products of glycolysis?
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Study Notes
Energy Production in Cells
- The primary energy source for living cells is ATP (Adenosine Triphosphate).
Glycolysis Pathway
- The sequence of enzyme reactions that breaks down glucose into pyruvate molecules is called glycolysis.
- Mitochondria are the primary source of ATP in cells.
Initial Steps of Glycolysis
- The first step in the glycolysis pathway involves the conversion of glucose into glucose-6-phosphate.
Conversion of Dihydroxyacetone Phosphate
- Dihydroxyacetone phosphate must be converted into glyceraldehyde-3-phosphate before it can continue with glycolysis.
Role of Sixth Enzyme
- The sixth enzyme in glycolysis catalyzes the conversion of fructose-6-phosphate into fructose-1,6-bisphosphate.
ATP Consumption in Glycolysis
- Halfway through glycolysis, the cell has consumed 2 ATP molecules.
Product of Seventh Enzyme
- The product of the seventh enzyme in glycolysis is glyceraldehyde-3-phosphate.
Role of Ninth Enzyme
- The ninth enzyme in glycolysis catalyzes the conversion of 1,3-bisphosphoglycerate into 3-phosphoglycerate.
Final Products of Glycolysis
- The final products of glycolysis are 2 molecules of pyruvate, 2 ATP molecules, and 2 NADH molecules.
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Description
Test your knowledge of cellular energy production and the role of glucose in providing energy for living cells with this quiz. Explore the process of glycolysis and the generation of ATP in mitochondria through a series of enzyme reactions.
