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Question
What is the basis for designating C3 and C4 pathways of photosynthesis?
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Solution
C3 plants
The first stable product formed during atmospheric
CO2 fixation is 3-carbon (3- phosphoglyceric acid).
Hence, the name C3 cycle.
C4 plants
The first stable product formed during atmospheric CO2 fixation is 4- carbon (oxaloacetate). Hence, the name C4 cycle.
Final answer
Based on the number of carbon present in the first stable product of CO2 fixation.
The first stable product formed during atmospheric
CO2 fixation is 3-carbon (3- phosphoglyceric acid).
Hence, the name C3 cycle.
C4 plants
The first stable product formed during atmospheric CO2 fixation is 4- carbon (oxaloacetate). Hence, the name C4 cycle.
Final answer
Based on the number of carbon present in the first stable product of CO2 fixation.
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