High School

Which compound is produced during carbon fixation?

A. PGA
B. G3P
C. RuBP
D. C6H12O6

Answer :

Final answer:

The main compound produced during carbon fixation is G3P. This occurs through the reaction of CO₂ with RuBP in the Calvin cycle. G3P eventually contributes to the formation of glucose and other carbohydrates.


Explanation:

Understanding Carbon Fixation and Its Products


During the process of carbon fixation, one of the key compounds produced is G3P (glyceraldehyde-3-phosphate). This occurs in the Calvin cycle, which utilizes the enzyme RuBisCO to catalyze the reaction between carbon dioxide (CO₂) and ribulose bisphosphate (RuBP).


Here’s a brief overview of the relevant steps:



  1. CO₂ and RuBP react, facilitated by RuBisCO.

  2. This reaction produces two molecules of 3-phosphoglycerate (3-PGA).

  3. 3-PGA is then converted into G3P through further reactions that require ATP and NADPH.

  4. Some G3P molecules will eventually contribute to the formation of glucose and other carbohydrates.


In summary, G3P is a significant product of carbon fixation in the Calvin cycle, leading to the synthesis of glucose and other vital organic compounds.


Learn more about Carbon Fixation here:

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