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Questions and Answers
Where does glycolysis take place in the cell?
Where does glycolysis take place in the cell?
What is the byproduct of the Krebs cycle that is used to generate ATP?
What is the byproduct of the Krebs cycle that is used to generate ATP?
What is the direct consumer of oxygen in aerobic respiration?
What is the direct consumer of oxygen in aerobic respiration?
What is the product of glycolysis that is converted to acetyl-CoA?
What is the product of glycolysis that is converted to acetyl-CoA?
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How many ATP and NADH are generated during glycolysis?
How many ATP and NADH are generated during glycolysis?
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What is the primary purpose of glycolysis in aerobic respiration?
What is the primary purpose of glycolysis in aerobic respiration?
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What is the role of acetyl-CoA in the Krebs cycle?
What is the role of acetyl-CoA in the Krebs cycle?
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What is the final component of aerobic respiration?
What is the final component of aerobic respiration?
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What is the common product of glycolysis and the Krebs cycle?
What is the common product of glycolysis and the Krebs cycle?
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What is the purpose of NADH and FADH2 in cellular respiration?
What is the purpose of NADH and FADH2 in cellular respiration?
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Study Notes
Aerobic Respiration Components
- Aerobic respiration consists of three components: glycolysis, the Krebs cycle, and oxidative phosphorylation.
Glycolysis
- Glycolysis generates energy in the form of ATP from sugars.
- Occurs in the cytosol and splits glucose into two pyruvate molecules.
- Produces 2 ATP and 2 NADH as byproducts.
Krebs Cycle
- Pyruvate is converted to acetyl-CoA and enters the Krebs cycle in the mitochondrial matrix.
- Produces ATP, NADH, and FADH2 from acetyl-CoA.
Oxidative Phosphorylation
- Oxygen is directly consumed to generate ATP as the final component of aerobic respiration.
- NADH and FADH2 drive the electron transport chain to produce more ATP.
Aerobic Respiration Components
- Three components of aerobic respiration: glycolysis, the Krebs cycle, and oxidative phosphorylation.
Glycolysis
- Occurs in the cytosol.
- Breaks down glucose into two pyruvate molecules.
- Generates 2 ATP and 2 NADH.
The Krebs Cycle
- Occurs in the mitochondrial matrix.
- Converts pyruvate into acetyl-CoA.
- Produces ATP, NADH, and FADH2 from acetyl-CoA.
Functions of Krebs Cycle Products
- NADH and FADH2 drive the electron transport chain.
- Electron transport chain produces more ATP.
Oxidative Phosphorylation
- Only directly consumes O2 to generate ATP.
- Final component of aerobic respiration.
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Description
Learn about the three components of aerobic respiration, including glycolysis, the Krebs cycle, and oxidative phosphorylation. Understand how sugars are converted into energy in the form of ATP.
