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

  1. A
    2 molecules of 3-C compound
  2. B
    1 molecule of 3-C compound
  3. C
    1 molecule of 6-C compound
  4. D
    1 molecule of 4-C compound and 1 molecule of 2-C compound

Solution & Step-by-step Explanation

In photorespiration, O
2

binds to RuBisCo. Instead of forming 2 molecules of 3-PGA, it forms 1 molecule of phosphoglycerate (3-C) and 1 molecule of phosphoglycolate (2-C).
Option (B) is the most accurate answer among the choices, highlighting the formation of the 3-C compound.

Practice this question

Try it yourself before checking the explanation above.

The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of:
A
2 molecules of 3-C compound
B
1 molecule of 3-C compound
C
1 molecule of 6-C compound
D
1 molecule of 4-C compound and 1 molecule of 2-C compound

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