Multiple choice

As compared to a C3- plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by C4- plants?

  1. Zero

  2. Six

  3. Two

  4. Twelve
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 As compared to a C3- plant, twelve additional molecules of ATP are needed for net production of one molecule of hexose sugar by C4- plants. 18 ATPs are required to synthesize one glucose molecule in C3 plant and 30 ATPs are required to synthesize one glucose molecule in C4 plants.

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