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Question: Answered & Verified by Expert
Why is RuBisCO the most abundant enzyme in the world?
BiologyPhotosynthesis in Higher PlantsNEET
Options:
  • A It has a much greater affinity for O₂ than CO₂
  • B It has a much greater affinity for CO₂ when the CO₂:O₂ is nearly equal
  • C It is the only enzyme that can catalyse the reaction between RuBP and CO₂
  • D It has a much greater affinity for CO₂ than O₂
Solution:
2752 Upvotes Verified Answer
The correct answer is: It has a much greater affinity for CO₂ when the CO₂:O₂ is nearly equal
RuBisCO is the most abundant enzyme in the world because it has a much greater affinity for CO₂ when the CO₂:O₂ is nearly equal, which is the characteristic that makes it so abundant.

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