In C_4 plants,the fixation of CO_2 by PEP car | vedclass

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Question

(A) In $C_4$ plants,the primary $CO_2$ fixation occurs in the mesophyll cells.$PEP$ carboxylase (Phosphoenolpyruvate carboxylase) acts on $PEP$ (a $3$

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Mesophyll cells

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(A) In $C_4$ plants,the primary $CO_2$ fixation occurs in the mesophyll cells.$PEP$ carboxylase (Phosphoenolpyruvate carboxylase) acts on $PEP$ (a $3$-carbon compound) and $CO_2$ to form oxaloacetate,which is a $4$-carbon compound.This process is the initial step of the $C_4$ pathway (Hatch-Slack pathway) and takes place specifically in the mesophyll cells before the $CO_2$ is transported to the bundle sheath cells for the Calvin cycle.

In $C_4$ plants,the fixation of $CO_2$ by $PEP$ carboxylase occurs in:

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