In C_4 plants,carbon fixation occurs in the c | vedclass

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(B) In $C_4$ plants,the process of carbon fixation occurs in two stages in different types of cells.$1$. The primary $CO_2$ fixation occurs in the mes

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Bundle sheath cells

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(B) In $C_4$ plants,the process of carbon fixation occurs in two stages in different types of cells.$1$. The primary $CO_2$ fixation occurs in the mesophyll cells,where $CO_2$ is converted into a $4$-carbon compound called oxaloacetate by the enzyme $PEP$ carboxylase.$2$. The $4$-carbon compound is then transported to the bundle sheath cells.$3$. In the bundle sheath cells,the $4$-carbon compound is broken down to release $CO_2$,which is then fixed again by the $RuBisCO$ enzyme in the Calvin cycle.Therefore,the final carbon fixation (re-fixation) occurs in the chloroplasts of the bundle sheath cells.

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

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