In C_4 plants,CO_2 combines with PEP in the p | vedclass

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Question

(A) In $C_4$ plants,the primary $CO_2$ fixation occurs in the mesophyll cells.$CO_2$ combines with a $3$-carbon compound called Phosphoenolpyruvate $(

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$PEP$ carboxylase

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(A) In $C_4$ plants,the primary $CO_2$ fixation occurs in the mesophyll cells.$CO_2$ combines with a $3$-carbon compound called Phosphoenolpyruvate $(PEP)$ to form a $4$-carbon compound,Oxaloacetic acid $(OAA)$.This reaction is catalyzed by the enzyme $PEP$ carboxylase (or $PEPCase$).$RuBP$ carboxylase is primarily involved in the Calvin cycle ($C_3$ cycle) in the bundle sheath cells.

In $C_4$ plants,$CO_2$ combines with $PEP$ in the presence of which enzyme?

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Bundle sheath cells:

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