Photosynthesis

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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 into chemical energy, using carbon dioxide and water as reactants to produce glucose and oxygen.

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NGSS.MS-LS1-6

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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).

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What are the products of photosynthesis?

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The products of photosynthesis are glucose (C6H12O6) and oxygen (O2).

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How many main stages are there in photosynthesis?

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There are two main stages in photosynthesis: the light-dependent reactions and the light-independent reactions (Calvin cycle).

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Where does photosynthesis occur in plant cells?

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Photosynthesis occurs in the chloroplasts of plant cells.

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NGSS.MS-LS1-2

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What is the role of chlorophyll in photosynthesis?

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Chlorophyll is a pigment found in chloroplasts that absorbs light energy, primarily from the sun, which is essential for the photosynthesis process.

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NGSS.MS-LS1-6

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What is the significance of photosynthesis for life on Earth?

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Photosynthesis is crucial for life on Earth as it produces oxygen, which is essential for the respiration of most living organisms, and it forms the base of the food chain.

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What is the equation for photosynthesis?

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The equation for photosynthesis is: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2.

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NGSS.MS-LS1-6

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What is the difference between photosynthesis and cellular respiration?

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Photosynthesis converts light energy into chemical energy (glucose), while cellular respiration breaks down glucose to release energy for cellular activities.

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NGSS.MS-LS1-6

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Do both plants and animals perform photosynthesis?

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No, only plants, algae, and some bacteria perform photosynthesis; animals do not have chloroplasts.

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