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  • Which of the following enzymes  catalyses primary  fixation in <img alt="C_{4}" src="https://learn.careers36

Which of the following enzymes  catalyses primary CO_{2} fixation in C_{4} pathway?

Option: 1

Aldolase


Option: 2

PEP carboxylase


Option: 3

RuBP carboxylase


Option: 4

Isomerase


Answers (1)

best_answer
 

During C_{4} pathway, CO_{2} combines with 3 carbon compound phosphoenol pyruvate to form 4 carbon compound oxaloacetic acid. This reaction is catalysed by PEP carboxylase. Hence, the correct answer is option b.

 

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Kuldeep Maurya

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