In C_4 plants,the primary CO_2 fixation occur | vedclass

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(B) In $C_4$ plants,the primary $CO_2$ fixation occurs in the mesophyll cells.$CO_2$ is initially accepted by phosphoenolpyruvate $(PEP)$ to form oxal

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Mesophyll cells

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(B) In $C_4$ plants,the primary $CO_2$ fixation occurs in the mesophyll cells.$CO_2$ is initially accepted by phosphoenolpyruvate $(PEP)$ to form oxaloacetic acid $(OAA)$ in the presence of the enzyme $PEP$ carboxylase.This process takes place in the chloroplasts of the mesophyll cells,which lack the enzyme $RuBisCO$ but are rich in $PEP$ carboxylase.

In $C_4$ plants,the primary $CO_2$ fixation occurs in the chloroplasts of .......

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