Answer :
Final answer:
The compound produced during carbon fixation is 3-phosphoglycerate (3-PGA). This process involves the enzyme RuBisCO reacting CO₂ with RuBP, generating 3-PGA as a product. 3-PGA is a critical three-carbon compound necessary for subsequent steps in photosynthesis.
Explanation:
Carbon Fixation Process
During the process of carbon fixation, the enzyme RuBisCO catalyzes a reaction between carbon dioxide (CO₂) and ribulose bisphosphate (RuBP). For each molecule of CO₂ that reacts with one molecule of RuBP, two molecules of a three-carbon compound called 3-phosphoglycerate (3-PGA) are produced. This reaction is crucial as it converts inorganic carbon into an organic form, thus allowing plants to synthesize energy-rich compounds.
The reaction proceeds as follows:
- One molecule of CO₂ combines with one molecule of RuBP.
- This creates an unstable six-carbon intermediate that quickly breaks down.
- The result is the formation of two molecules of 3-PGA.
In summary, the key compound produced during carbon fixation is 3-PGA, which is an essential intermediate in the photosynthetic process.
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