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Questions and Answers
In what organelle does photosynthesis occur?
In what organelle does photosynthesis occur?
chloroplast
What are three reactants needed for photosynthesis?
What are three reactants needed for photosynthesis?
sunlight, water, carbon dioxide
What are two products of photosynthesis?
What are two products of photosynthesis?
sugar, oxygen
In what organelle does cellular respiration occur?
In what organelle does cellular respiration occur?
What are two reactants needed for cellular respiration?
What are two reactants needed for cellular respiration?
What are three products of cellular respiration?
What are three products of cellular respiration?
What four substances are recycled during photosynthesis and respiration?
What four substances are recycled during photosynthesis and respiration?
What is one component in photosynthesis that is not recycled and must be constantly available?
What is one component in photosynthesis that is not recycled and must be constantly available?
What is the difference between aerobic and anaerobic respiration?
What is the difference between aerobic and anaerobic respiration?
What are the three products of glycolysis?
What are the three products of glycolysis?
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Study Notes
Photosynthesis
- Occurs in chloroplasts, specialized organelles in plant cells.
- Requires three reactants: sunlight, water, and carbon dioxide.
- Produces two primary products: sugar (glucose) and oxygen.
- Oxygen, carbon dioxide, water, and glucose are recycled during photosynthesis and cellular respiration.
- Energy is essential for photosynthesis but is not recycled and must be continuously available.
Cellular Respiration
- Takes place in mitochondria, specifically within the matrix.
- Requires two key reactants: oxygen and glucose.
- Produces three main products: energy (ATP), carbon dioxide, and water.
- Differentiates between two types of respiration:
- Aerobic respiration: Requires oxygen, generates up to 38 ATP molecules, and is more energy-efficient.
- Anaerobic respiration: Does not need oxygen, yields only 2 ATP molecules, and is less energy-efficient.
Glycolysis
- Initial stage of cellular respiration occurring in the cytoplasm.
- Produces three main products: four molecules of ATP, two molecules of NADH, and three molecules of pyruvate.
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