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Questions and Answers
What is the primary function of cellular respiration?
What is the primary function of cellular respiration?
- To store energy in complex molecules
- To release oxygen into the atmosphere
- To produce organic molecules for photosynthesis
- To generate ATP for cellular work (correct)
Where does photosynthesis take place in a plant cell?
Where does photosynthesis take place in a plant cell?
- Chloroplasts (correct)
- Cell membrane
- Nucleus
- Mitochondria
What is the role of electron transfer in catabolic pathways?
What is the role of electron transfer in catabolic pathways?
- It converts organic molecules into CO2 and H2O
- It is responsible for generating heat energy
- It facilitates the production of organic molecules
- It plays a major role in releasing stored energy (correct)
What is the ultimate fate of energy that flows into an ecosystem as sunlight?
What is the ultimate fate of energy that flows into an ecosystem as sunlight?
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What is the source of energy for animals to perform cellular work?
What is the source of energy for animals to perform cellular work?
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Study Notes
Energy Flow and Cellular Processes
- The primary function of cellular respiration is to generate energy for the cell through the breakdown of glucose and other organic molecules.
Photosynthesis and Plant Cells
- Photosynthesis takes place in the chloroplasts of a plant cell.
Electron Transfer and Catabolic Pathways
- Electron transfer plays a crucial role in catabolic pathways, facilitating the transfer of energy from high-energy molecules to lower-energy molecules, ultimately generating ATP.
Energy Flow in Ecosystems
- The ultimate fate of energy that flows into an ecosystem as sunlight is to be converted into ATP, which is then utilized by organisms to perform cellular work.
Energy Source for Animals
- The source of energy for animals to perform cellular work is the food they consume, which is broken down through cellular respiration to generate ATP.
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