Question

3. In Cz and C4 plants, primary carboxylation
takes place with the help of :
and
pyruvate
(A) PEP
carboxylse
carboxylase
(B) RuBP carboxylase and PEP carboxylase
(C) PEP carboxylase and RuBP carboxylase
(D) RuBP carboxylase and pyruvate
carboxylase​

Answer 1

Answer:

Explanation:

Primary carboxylation in C  

3

​  

 plants is done by RuBP in the presence of enzyme RuBP carboxylase.

In  C  

4

​  

 plants, it is done by the PEP molecule with the help of PEP carboxylase.

So the correct option is 'RuBP carboxylase and PEP carboxylase'.

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