What is the basis for designating C_{3} and C | vedclass

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Question

(B) The classification of photosynthetic pathways into $C_{3}$ and $C_{4}$ is based on the number of carbon atoms present in the first stable product

Vedclass · Accepted Answer

The number of carbon atoms in the first stable product formed during the dark reaction.

Vedclass · Answer

(B) The classification of photosynthetic pathways into $C_{3}$ and $C_{4}$ is based on the number of carbon atoms present in the first stable product formed during the carbon fixation process of the Calvin cycle and the Hatch-Slack pathway respectively.      $C_{3}$ Pathway    $C_{4}$ Pathway        The first stable product formed is a $3$-carbon compound called $3-PGA$ ($3-	ext{phosphoglyceric}$ acid).    The first stable product formed in the mesophyll cells is a $4$-carbon compound called $OAA$ ($	ext{Oxaloacetic}$ acid).

What is the basis for designating $C_{3}$ and $C_{4}$ pathways of photosynthesis?

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