Photosynthesis and Cellular Respiration

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What is photosynthesis?

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Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy in the form of glucose, using carbon dioxide and water.

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What is cellular respiration?

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Cellular respiration is the process by which cells break down glucose and other organic molecules to produce energy in the form of ATP, using oxygen and releasing carbon dioxide and water as byproducts.

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What is the main purpose of photosynthesis?

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The main purpose of photosynthesis is to produce food (glucose) for plants and to release oxygen into the atmosphere.

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What is the main purpose of cellular respiration?

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The main purpose of cellular respiration is to convert the energy stored in glucose into usable energy (ATP) for cellular activities.

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What are the reactants of photosynthesis?

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The reactants of photosynthesis are carbon dioxide (CO2) and water (H2O), which are converted into glucose (C6H12O6) and oxygen (O2).

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NGSS.MS-LS1-6

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What are the products of cellular respiration?

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The products of cellular respiration are carbon dioxide (CO2), water (H2O), and adenosine triphosphate (ATP).

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Where does photosynthesis occur in plant cells?

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Photosynthesis occurs in the chloroplasts of plant cells, which contain chlorophyll that captures light energy.

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Where does cellular respiration occur in cells?

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Cellular respiration occurs in the mitochondria of cells, where glucose is broken down to produce ATP.

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What is the role of sunlight in photosynthesis?

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Sunlight provides the energy needed for photosynthesis to occur, allowing plants to convert carbon dioxide and water into glucose.

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What is the role of oxygen in cellular respiration?

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Oxygen is used as a reactant in cellular respiration to help break down glucose and release energy.

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