Which enzyme catalyzes the photosynthetic C_4 | vedclass

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(B) In the $C_4$ photosynthetic pathway,the primary carbon dioxide fixation occurs in the mesophyll cells.$PEP$ (Phosphoenolpyruvate) carboxylase is t

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$PEP$ carboxylase

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(B) In the $C_4$ photosynthetic pathway,the primary carbon dioxide fixation occurs in the mesophyll cells.$PEP$ (Phosphoenolpyruvate) carboxylase is the key enzyme responsible for the initial fixation of $CO_2$ into a $4$-carbon compound called oxaloacetate.Unlike $C_3$ plants,where $RuBP$ carboxylase $(RuBisCO)$ is the primary enzyme,$C_4$ plants utilize $PEP$ carboxylase because it has a high affinity for $CO_2$ and does not show oxygenase activity.

Which enzyme catalyzes the photosynthetic $C_4$ cycle?

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