Podcast
Questions and Answers
What is the net ATP gain from the breakdown of glucose during glycolysis?
What is the net ATP gain from the breakdown of glucose during glycolysis?
Which stage of cellular respiration produces the most ATP?
Which stage of cellular respiration produces the most ATP?
What is the byproduct of the citric acid cycle that is used to generate ATP in the electron transport chain?
What is the byproduct of the citric acid cycle that is used to generate ATP in the electron transport chain?
Where does the citric acid cycle take place in the cell?
Where does the citric acid cycle take place in the cell?
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What is the total ATP yield from the complete breakdown of glucose during cellular respiration?
What is the total ATP yield from the complete breakdown of glucose during cellular respiration?
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What is the role of oxidative phosphorylation in cellular respiration?
What is the role of oxidative phosphorylation in cellular respiration?
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What is the significance of cellular respiration in maintaining cellular homeostasis?
What is the significance of cellular respiration in maintaining cellular homeostasis?
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What is the consequence of dysregulation of cellular respiration?
What is the consequence of dysregulation of cellular respiration?
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Study Notes
Cellular Respiration
Overview
- Cellular respiration is the process by which cells generate energy from glucose
- It involves the breakdown of glucose to produce ATP (adenosine triphosphate), which is the energy currency of the cell
Stages of Cellular Respiration
-
Glycolysis
- Takes place in the cytoplasm
- Breaks down glucose into pyruvate, producing 2 ATP and 2 NADH
- Net gain of 2 ATP
-
Citric Acid Cycle (Krebs Cycle)
- Takes place in the mitochondria
- Breaks down pyruvate into acetyl-CoA, producing 2 ATP, 6 NADH, and 2 FADH2
- Net gain of 2 ATP
-
Electron Transport Chain
- Takes place in the mitochondrial inner membrane
- Uses energy from NADH and FADH2 to generate ATP
- Produces 32-34 ATP
-
Oxidative Phosphorylation
- Takes place in the mitochondrial inner membrane
- Uses energy from the electron transport chain to generate ATP
- Produces 32-34 ATP
ATP Yield
- Total ATP yield from complete breakdown of glucose: 36-38 ATP
- ATP yield from glycolysis: 2 ATP
- ATP yield from citric acid cycle: 2 ATP
- ATP yield from oxidative phosphorylation: 32-34 ATP
Importance of Cellular Respiration
- Essential for generating energy for cellular processes
- Plays a critical role in maintaining cellular homeostasis
- Dysregulation of cellular respiration can lead to various diseases and disorders
Cellular Respiration
Overview
- Cellular respiration is the process of generating energy from glucose for the cell
- ATP (adenosine triphosphate) is the energy currency of the cell produced during respiration
Stages of Cellular Respiration
Glycolysis
- Occurs in the cytoplasm
- Breaks down glucose into pyruvate, producing 2 ATP and 2 NADH
- Net gain of 2 ATP
Citric Acid Cycle (Krebs Cycle)
- Occurs in the mitochondria
- Breaks down pyruvate into acetyl-CoA, producing 2 ATP, 6 NADH, and 2 FADH2
- Net gain of 2 ATP
Electron Transport Chain
- Occurs in the mitochondrial inner membrane
- Uses energy from NADH and FADH2 to generate ATP
- Produces 32-34 ATP
Oxidative Phosphorylation
- Occurs in the mitochondrial inner membrane
- Uses energy from the electron transport chain to generate ATP
- Produces 32-34 ATP
ATP Yield
- Total ATP yield from complete breakdown of glucose: 36-38 ATP
- ATP yield from glycolysis: 2 ATP
- ATP yield from citric acid cycle: 2 ATP
- ATP yield from oxidative phosphorylation: 32-34 ATP
Importance of Cellular Respiration
- Essential for generating energy for cellular processes
- Plays a critical role in maintaining cellular homeostasis
- Dysregulation of cellular respiration can lead to various diseases and disorders
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Description
Understand the process of cellular respiration, including glycolysis, citric acid cycle, and more. Learn how cells generate energy from glucose and produce ATP.
