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Question

Which one of these is not correct regarding peroxisomes?

A
Single membrane bound organelles
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B
Perform photorespiration in C3 plants
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C
Take part in synthesis and storage of lipids
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D
Protect a cell from the toxic effects of H2O2
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Solution

The correct option is C Take part in synthesis and storage of lipids
Peroxisomes or microbodies are ubiquitous single-membrane bounded organelles that fulfill essential roles in the cellular metabolism. The most prominent role of peroxisomes in photosynthetic plant tissues is their participation in photorespiration, a process commonly known as the oxidative C2 cycle or the oxidative photosynthetic carbon cycle.

Most biochemical pathways in peroxisomes involve lipid catabolism, including β-oxidation of fatty acids (FAs), α-oxidation of branched chain FAs.

Peroxisomes also participate in reactive oxygen species (ROS) metabolism. Peroxisomes also contain enzymes such as catalase that convert hydrogen peroxide to water and oxygen, thereby neutralizing the toxicity.

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