What is the product of oxygenase acitivity of Rubisco?

Phosphoglycerate

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Phosphoglycolate

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Both A and B

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Phosphoglyceraldehyde

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Solution

The correct option is B Phosphoglycolate
Addition of molecular oxygen to ribulose-1,5-bisphosphate produces 3-phosphoglycerate (PGA) and phosphoglycolate (PG). PGA is the normal product of carboxylation and productively enters the Calvin cycle. Phosphoglycolate, however, inhibits certain enzymes involved in photosynthetic carbon fixation.
So, the correct option is 'Phosphoglycolate'.

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