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  • Photosynthesis - 2
  • How many ATPs are required to form one molecule of hexose...
Multiple choice

How many ATPs are required to form one molecule of hexose sugar in C4 plants?

  1. 18

  2. 12

  3. 30

  4. 20

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

C4 plants consume 30 ATP per hexose but generate 18 through the Calvin cycles, resulting in 12 net ATP required. C3 plants need only 18 net ATP.

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