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What is respiration? How are respiration and burning similar and how are they different?

Plants Respiration

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Answer

Oxidation of organic food particularly carbohydrates in living cells to release energy is called respiration.

Similarities between burning and respiration are —

  1. Oxygen is required by both.
  2. Energy is released by both.
  3. The outcome of both is water and carbon dioxide.

Differences between burning and respiration:

RespirationBurning
Cellular processNon-cellular process
Occurs at body temperatureOccurs at high temperature (at ignition point)
Occurs in a series of chemical stepsOccurs in a single step
Carried out by enzymesCarried out by heat
Biochemical processPhysico-chemical process
Energy released as ATP and heatEnergy released as heat and light
Light energy is not producedLight energy is produced

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