which cells in c3 plants and c4 plants have RuBisCO?

Dear student,
C4 plants have two kinds of cells called bundle sheath cells and mesophyll cells unlike only mesophyll cells in C3 plants. In C4 plants Rubisco is present only in bundle sheath cells not in mesophyll cells where oxygen is released during light reactions. In C3 plants Rubisco is present in mesophyll cells.

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in c3 plants RuBisCO enzyme present in mesophyll cells whereas in c4 plants first 
co2 fixation enzyme is PEPcase which present in mesophyll cell but RuBisCO present
in bundle sheeth cells.
 
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