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Byju's Answer
Standard XII
Biology
C4/ Hatch and Slack Pathway
Primary carbo...
Question
Primary carboxylation occurs in
C
3
and
C
4
plants with the help of
A
PEP carboxylase and pyruvate carboxylase
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B
PEP carboxylase and RuBP carboxylase
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C
RuBP carboxylase and PEP carboxylase
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D
RuBP carboxylase and pyruvate carboxylase.
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Solution
The correct option is
C
RuBP carboxylase and PEP carboxylase
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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