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Krebs Cycle

The primary C...

Question

The primary $C O_{2}$ acceptor in $C_{4}$ plant is

A

RuBP

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B

Phosphoenol pyruvate

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C

PEP carboxylase

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D

PGA

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Solution

The correct option is B Phosphoenol pyruvate
In C4 plants, a 4 - C compound oxaloacetic acid (OAA) is the first stable product, and phosphoenol pyruvate (PEP) is the $C O_{2}$ acceptor. This reaction is catalysed by the enzyme PEP carboxylase in mesophyll cells of the leaf.

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Q. Phosphoenol pyruvate (PEP) is the primary

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