PEPcase and RuBisCO in C_4 plants are present | vedclass

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(D) In $C_4$ plants,the initial carbon fixation occurs in the mesophyll cells where the enzyme $PEP$case (Phosphoenolpyruvate carboxylase) is located

Vedclass · Accepted Answer

Cytoplasm and stroma

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(D) In $C_4$ plants,the initial carbon fixation occurs in the mesophyll cells where the enzyme $PEP$case (Phosphoenolpyruvate carboxylase) is located in the cytoplasm.After the formation of $C_4$ acids,they are transported to the bundle sheath cells.In the bundle sheath cells,the $C_4$ acids are broken down to release $CO_2$,which is then fixed by the enzyme $RuBisCO$ (Ribulose$-1,5-$bisphosphate carboxylase-oxygenase) located in the stroma of the chloroplasts.

$PEP$case and $RuBisCO$ in $C_4$ plants are present respectively in

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