What is the difference between photorespiration and dark respiration?

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DIFFERENCE BETWEEN PHOTORESPIRATION AND DARK RESPIRATION
	Photorespiration	Dark respiration
1.	Occurs only in photosynthetic cells.	Occurs in all living cells.
2.	Its functioning involves chloroplasts, mitochondria and perioxysomes.	It takes place only in mitochondria.
3.	CO₂ evolution and O₂ uptake are dependent on light.	CO₂ evolution and O₂ uptake are independent of light.
4.	Hydrogen Peroxide (H₂O₂) is formed.	Hydrogen Peroxide (H₂O₂) is not formed
5.	The substrate involved is Glycolate.	The substrate involved is Acetyl CoA.
6.	Increases with increase in O₂concentration.	It is saturated at very low O₂ concentration.
7.	Does not generate ATP.	Generates ATP.

Lifeeasy Authors · Answer 1

DIFFERENCE BETWEEN PHOTORESPIRATION AND DARK RESPIRATION
Photo respiration	Dark respiration
It occurs only in the photosynthetic cells.	It occurs in all types of the cells.
It takes place only in the presence of light	It does not depend on the presence or absence of light.
It takes place in chloroplast, peroxisomes and mitochondria.	It functions in mitochondria alone.
It occurs in the only in certain green plants.	It occurs in animals, plants and bacteria.