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The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of:

Option: 1

2 molecules of 3-C compound


Option: 2

1 molecule of 3-C compound


Option: 3

1 molecule of 6-C compound


Option: 4

1 molecule of 3-C compound and 1 molecule of 2-C compound


Answers (1)

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The oxygenation activity of RuBisCo enzyme in photorespiration produces one molecule of a 3-carbon compound (3-phosphoglycerate) and one molecule of a 2-carbon compound (phosphoglycolate). This occurs when RuBisCo reacts with oxygen instead of carbon dioxide. The 3-phosphoglycerate can be utilized in the Calvin cycle, while the phosphoglycolate undergoes further reactions in the photorespiration pathway.

So, the correct answer is '1 molecule of 3-C compound and 1 molecule of 2-C compound'.

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avinash.dongre

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