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  4. The function of peroxisomes is :

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Q. The function of peroxisomes is :

Delhi UMET/DPMTDelhi UMET/DPMT 2001

Solution:

The function of peroxisomes is $H_ 2 O_ 2$ destruction.
Peroxisomes are organelles containing a few flavoprotein oxidases which use molecular oxygen and produce $H_2O_2$ e.g., D-amino acid oxidase.
Peroxisomes also contain peroxidases which utilize the $H_2O_2$ formed for other oxidation reaction.
The $H_2O_2$ synthesized and cleaved in the peroxisane.
$2 H_ 2 O _2 \xrightarrow{\text { catalase }}2 H _2 O + O_ 2$
The function of mitochondria is oxidation phosphorylation.
The function of liver is conversion of fats to carbohydrates with the help of emulsiflcation.
The function of endoplasmic reticulum is detoxification of heavy metals.