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Byju's Answer
Standard XII
Biology
C4/ Hatch and Slack Pathway
The first sta...
Question

The first stable product formed in the mesophyll cells of C4 plants are .

A
malic acid
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B
oxaloacetic acid
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C
phosphoenolpyruvate
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D
pyruvic acid
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Solution

The correct option is B oxaloacetic acid
In the mesophyll cell of C4 plant, PEP acts as a CO2 acceptor and produces OAA (Oxaloacetic acid) as the first stable product. This reaction is catalysed by phosphoenolpyruvate carboxylase (PEP case).

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