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Byju's Answer
Standard XII
Biology
Clumsiness of Rubisco
The enzyme us...
Question

The enzyme used in CO2 fixation in mesophyll cells of C4 plants:

A
RuBisCO
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B
Malate dehydrogenase
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C
Pyruvate kinase
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D
PEP carboxylase
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Solution

The correct option is D PEP carboxylase
The primary CO2 acceptor in C4 plants is a 3-carbon molecule phosphoenol pyruvate (PEP). The enzyme responsible for this fixation is PEP carboxylase.

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Clumsiness of Rubisco
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