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What are the products of photosynthesis?

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Quick Answer

The products of photosynthesis are glucose and oxygen. Photosynthesis takes in carbon dioxide and water and combine them in the presence of energy from the sun to make food for the organism.

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What are the products of photosynthesis?
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Full Answer

Photosynthesis occurs in membrane-bound structures called the chloroplasts. The main product of photosynthesis is glucose, which is the molecule that produces energy to run the processes of the cell. Oxygen is mainly a byproduct of the process of photosynthesis. Six molecules of carbon dioxide and six molecules of water are needed to produce one molecule of glucose. Glucose is a carbohydrate, a compound made of carbon, hydrogen and oxygen. The energy in glucose can be used by the cells through the process of oxidation performed in the mitochondrion, another membrane-bound structure within the cell.

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  • Q:

    How long does photosynthesis take?

    A:

    Plant cells perform the light and dark reactions of photosynthesis, including the synthesis of the sugar, glucose, in as little as 30 seconds. Even more amazingly, spinach leaves exposed to a flash of light can form stable 3-carbon precursors of glucose in only five seconds.

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  • Q:

    What happens during photosynthesis?

    A:

    During photosynthesis, chlorophyll absorb light energy that is used to convert carbon dioxide from the air and water from the soil into glucose. Oxygen is released as a by-product. Some glucose is used for respiration, while some is converted into insoluble starch.

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  • Q:

    Why is light needed for photosynthesis?

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    Light is essential for photosynthesis because plants need it energy to create glucose, which they store for later use as an energy source for cells. Plants and several other photosynthetic organisms use light energy to change water, carbon dioxide and minerals into oxygen and organic compounds packed with energy.

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  • Q:

    How does respiration occur in plants?

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    Respiration, in which energy is released from carbohydrates for metabolic needs, takes place in plants through a process which can be expressed in a word equation as: glucose + oxygen = energy + carbon dioxide + water. The chemical equation for this process can be expressed as: C6H12O6 + 6O2 = energy + 6CO2 + 6H2O. Respiration, which is a breaking-down process that releases energy, can be viewed as the opposite of photosynthesis, which is a building-up process that takes in energy in the form of light and uses it to produce carbohydrates.

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