First slide

The C4 Pathway

Question

Phosphoenol Pyruvate is the primary ${CO}_{2}$ acceptor in

Easy

A

$C_{4}$ plants
B

$C_{2}$ plants
C

$C_{3}$ and $C_{4}$ plants
D

$C_{3}$ plants

Solution

PEP is the primary ${CO}_{2}$ acceptor in $C_{4}$ plants and CAM plants.
In $C_{3}$ plants RuBP is the first / primary ${CO}_{2}$ acceptor.
$C_{2}$ plants is not any category of plants, rather $C_{2}$ cycle represents photorespiration that occur in $C_{3}$ & CAM plants.

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