Answer :
Final answer:
During carbon fixation, the compound that is produced is 3-phosphoglyceric acid (3-PGA), which results from the reaction of CO₂ with ribulose bisphosphate (RuBP) catalyzed by RuBisCO. This process is essential in converting inorganic carbon into organic compounds. Understanding this process is critical in grasping the broader concept of photosynthesis.
Explanation:
Carbon Fixation in the Calvin Cycle
Carbon fixation is the process in photosynthesis where carbon dioxide (CO₂) is converted into organic compounds. During this process, the enzyme RuBisCO catalyzes the reaction between CO₂ and ribulose bisphosphate (RuBP). For each CO₂ molecule that reacts with RuBP, two molecules of a three-carbon compound known as 3-phosphoglyceric acid (3-PGA) are produced.
Process of Carbon Fixation
- CO₂ combines with RuBP to form an unstable intermediate.
- This intermediate is converted into 3-PGA.
This reaction is foundational for the Calvin cycle, emphasizing how inorganic carbon is fixed into an organic molecule, which can then be used to form sugars and other carbohydrates.
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