Question
The carboxylating enzyme present in bundle sheath cells of maize leaves is
RUBP carboxylase
hexokinase
carbonic anhydrase
PEP-carboxylase
Solution
A.
RUBP carboxylase
Maize is a C4 -plant having distinct Kranz anatomy and two carboxylation enzymes. One is present in the mesophyll cells of chloroplasts and the other in the bundle sheath cells.
PEP- Carboxylase is present in the mesophyll cell and RUBP carboxylase is present in the bundle sheath cells.
