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Which of the following statements is incorrect?
A
RuBisCO action requires ATP and NADPH
B
RuBisCO is a bifunctional enzyme
C
In C4 plants, the site of RuBisCO activity is mesophyll cell
D
The substrate molecule for RuBisCO activity is a 5-carbon compound
Detailed Solution
In C4 plants, the site of RuBisCO activity is the bundle sheath cell, not the mesophyll cell (RuBP carboxylase/PEP carboxylase activity occurs in mesophyll cells, while RuBisCO functions in the bundle sheath cells during the Calvin cycle) — so this statement is incorrect.