Multiple choice

C4 plants differ from C3 plant with respect to the

  1. number of ATP molecules consumed

  2. leaves have Krans anatomy

  3. substrate which accepts carbon dioxide

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The C4 plants often possess a characteristic leaf anatomy called Kranz anatomy. The primary function of Kranz anatomy is to provide a site in which CO2 can be concentrated around RuBisCO, thereby avoiding photorespiration.

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