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Questions and Answers
What is the summary equation for cellular respiration?
What is the summary equation for cellular respiration?
What does cellular respiration include?
What does cellular respiration include?
Both aerobic and anaerobic respiration
What is a key difference between aerobic and anaerobic respiration?
What is a key difference between aerobic and anaerobic respiration?
Aerobic respiration requires oxygen while anaerobic respiration does not.
Aerobic respiration produces approximately _____ ATP molecules.
Aerobic respiration produces approximately _____ ATP molecules.
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Where does aerobic respiration take place?
Where does aerobic respiration take place?
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What happens during anaerobic respiration if there is no sufficient oxygen?
What happens during anaerobic respiration if there is no sufficient oxygen?
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Define feedback inhibition in the context of cellular respiration.
Define feedback inhibition in the context of cellular respiration.
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Study Notes
Summary Equation for Cellular Respiration
- Cellular respiration can be summarized by the equation: C6H12O6 + 6O2 -> 6CO2 + 6H2O + energy.
Cellular Respiration
- Cellular respiration encompasses both aerobic and anaerobic processes but is primarily associated with aerobic respiration.
Aerobic vs. Anaerobic Processes
- Aerobic Respiration: Requires oxygen; produces approximately 36-38 ATP molecules.
- Anaerobic Respiration: Occurs in the absence of oxygen; yields only 2 ATP molecules.
- Both processes start with glucose breakdown and involve the formation of pyruvate.
- Aerobic respiration's reactants are glucose and oxygen; products include ATP, water, and carbon dioxide.
- Anaerobic respiration's reactants are pyruvate and NADH; products include ATP and either lactic acid or ethanol (depending on fermentation type).
- Aerobic respiration consists of three steps: glycolysis (glucose breakdown), citric acid cycle (releases CO2 and generates ATP), and electron transport chain (largest ATP production).
- Glycolysis occurs in the cytoplasm for both processes; citric acid cycle and electron transport chain take place in mitochondria for aerobic respiration.
- Anaerobic respiration includes glycolysis followed by fermentation, which can produce alcohol or lactic acid.
- Aerobic respiration mainly occurs in mitochondria of eukaryotic cells, while anaerobic respiration primarily occurs in cytoplasm of prokaryotes.
Feedback Inhibition
- Feedback inhibition is a regulatory mechanism in cellular respiration that prevents overproduction of a molecule by inhibiting enzymes involved in its synthesis, ensuring metabolic efficiency.
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Description
Test your knowledge of Chapter 9 in Biology with these flashcards. This quiz covers key concepts such as the summary equation for cellular respiration and the differences between aerobic and anaerobic processes. Perfect for reviewing before exams!
