Multiple choice

The first acceptor of carbon dioxide in C4 plant is

  1. malic acid

  2. aspartic acid

  3. oxaloacetic acid

  4. phosphoenol pyruvic acid
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In C4 plants, CO2 is first accepted in mesophyll cell by phosphenol pyruvic acid, a 3-carbon compound and forms 4-carbon compound known as oxaloacetic acid.

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