The first CO_2 acceptor in the C_4 cycle is: | vedclass

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(B) In the $C_4$ cycle (also known as the $Hatch-Slack$ pathway),the atmospheric $CO_2$ is first fixed in the mesophyll cells.Phosphoenolpyruvate $(PE

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$PEP$

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(B) In the $C_4$ cycle (also known as the $Hatch-Slack$ pathway),the atmospheric $CO_2$ is first fixed in the mesophyll cells.Phosphoenolpyruvate $(PEP)$,a $3$-carbon compound,acts as the primary $CO_2$ acceptor.This reaction is catalyzed by the enzyme $PEP$ carboxylase $(PEPCase)$,resulting in the formation of a $4$-carbon compound called Oxaloacetic acid $(OAA)$.

The first $CO_2$ acceptor in the $C_4$ cycle is:

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