(a) Which
group of plants exhibit these two types of cells?
(b) What is
the first product of ?4 cycle?
(c) Which enzyme is
there in bundle sheath cells and mesophyll cells?
Answer:
(a) Monocot
plants belonging to Graminae/Poaceae family, e.g., sugarcane, maize etc.,
possess these two
types of cells, i'.e., bundle sheath and mesophyll cell (in kranz anatomy).
(b) A
4-carbon compound oxaloacetic acid is the first product of 
cycle.
(c)
Mesophyll cells have PEP carboxylase to fix atmospheric 
to
form a4-carbon compound oxalo acetic acid, whereas bundle sheath cells have
RuBP carboxylase which fix by
this enzyme to form 3-carbon compound 3 PGA (3 phosphoglyceric acid).
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