Q:

What are the two main products of photosynthesis?

A:

Quick Answer

The two main output products of photosynthesis are oxygen and sugar. Plants use energy from the sun to produce these items from water and carbon dioxide. The oxygen produced is emitted as a waste product, while the sugar is used to produce energy through cellular respiration.

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Full Answer

Photosynthesis takes six molecules of carbon dioxide and six of water and uses sunlight energy to convert them into six molecules of oxygen and a single sugar molecule with the structure C6H12O6. The oxygen produced in this chemical reaction provides the essential ingredient for respiration by humans and other animals; photosynthesis is thus necessary for both plants and animals to survive.

Photosynthesis occurs inside plant cells in a material called chlorophyll. This substance is what gives plants their green color. Chlorophyll absorbs energy from sunlight, particularly from the red and blue wavelengths; the green wavelengths are reflected away from the chlorophyll, giving a green appearance. This energy is required to make the chemical bonds that allow photosynthesis to take place.

In order to achieve photosynthesis, a plant must have access to water, sunlight and carbon dioxide. However, different environments provide different access to these resources. For example, desert plants have very limited access to water. As a result, plants have evolved to maximize their local resources. Broad leaves provide massive surface area to volume ratios, ensuring maximum access to sunlight. Similarly, some plants have extensive root systems to provide greater access to water.

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Related Questions

  • Q:

    What are the two stages of photosynthesis called?

    A:

    Photosynthesis takes place in two stages: the light reactions and the dark reactions. The light reactions take their name because they require the presence of direct light, while the dark reactions do not have the same proviso. Light reactions occur in the thylakoid stacks in the grana for the most part, while dark reactions do not, although they also most frequently happen during the daytime.

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  • Q:

    In which part of the photosynthesis process is oxygen produced?

    A:

    During photosynthesis, oxygen is produced during the process called photolysis. During photolysis, molecules from water, carbon dioxide and minerals are broken down into smaller units due to light absorption.

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  • Q:

    What are the reactants and products of photosynthesis?

    A:

    The reactants of photosynthesis are water, light and carbon dioxide, while the products are oxygen and sugars. Cellular respiration occurs in direct synchronicity with this process, using the products of photosynthesis as its reactants and producing its reactants.

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  • Q:

    What are the products of photosynthesis used for?

    A:

    Glucose, the primary product of photosynthesis, is a sugar formed from carbon dioxide and water molecules that acts as the primary food source for green plants. A secondary product of the process, oxygen, is released into the atmosphere as waste.

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