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In plant cells, peroxisomes are associated with

1. photorespiration
2. phototropism
3. photoperiodism
4. photosynthesis

Correct answer: photorespiration

Solution

Peroxisomes are key organelles in photorespiration, where they help metabolize glycolate produced when RuBisCO acts as an oxygenase. This process occurs in light and is linked to chloroplasts and mitochondria, but it is not photosynthesis itself.

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