Q:

What is plant respiration?

A:

Quick Answer

Plant respiration is a chemical reaction by which plant cells stay alive. The process can be represented by the following formula: glucose + oxygen → carbon dioxide + water (+ energy). Through respiration, plants use oxygen and produce carbon dioxide. The result is the release of stored energy for use.

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Full Answer

Plant respiration occurs in the mitochondria of each plant cell. First, glucose is oxidized. The chemical potential energy of its bond turns into the chemical potential bonds of an ATP molecule. The ATP molecule is then transported throughout the cell. The molecule's stored energy is utilized to complete tasks within the cell.

Respiration and photosynthesis, the process by which plants make their own food, are chemically linked. Through photosynthesis, plants use carbon dioxide and create oxygen. This means that respiration can be thought of as photosynthesis in reverse.

One major difference between the two is that plants respire constantly, but only photosynthesize when they are in the light. In dark conditions, a plant would respire, but not photosynthesize. The result would be that only oxygen would be taken in and carbon dioxide given out. All living cells, including animal cells, respire. However, plant respiration should not be confused with breathing.

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    What is the overall equation for photosynthesis?

    A:

    Photosynthesis is a chemical reaction that converts solar energy to chemical energy and has the chemical equation of 6H2O + 6CO2 --> C6H12O6 + 6O2. The overall reaction of photosynthesis is catalyzed by solar energy and produces glucose for plants and oxygen for the atmosphere.

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    How does respiration occur in plants?

    A:

    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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    Where does respiration occur in plants?

    A:

    Respiration occurs in all cells of a plant. It utilizes sugars synthesized from sunlight through the process of photosynthesis into energy used by the plant at all times.

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    Do plants perform cellular respiration?

    A:

    Plants do perform cellular respiration. Plants produce energy through both photosynthesis and respiration. However, photosynthesis requires sunlight, so plants respire both day and night in order for their cells to have energy.

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