5. Which of the following happens during photosynthesis? a) Carbon dioxide is used and oxygen is released. b) Oxygen is used and carbon dioxide is released. c) Both oxygen and carbon dioxide are released. d) Both oxygen and carbon dioxide are used.
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Answer:
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Explanation:
During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. ... This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules.
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a) Carbon dioxide is used and oxygen is released during photosynthesis.
Explanation:
- Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy.
- By this process plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
- The first stage of photosynthesis captures energy from the sun to break down water molecules.
- The second stage of photosynthesis is the Calvin cycle. Energy generated is used during the light-dependent reactions to make carbohydrates in a process called the Calvin cycle. One carbon molecule is added at a time. Energy keeps the cycle going to repeat the process and create sugar molecules containing six carbons.
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