Multiple choice

Which set of reactions uses energy molecules to produce high-energy sugars from carbon dioxide?

  1. light-dependent reactions

  2. electron carrier reactions

  3. ATP synthetic reactions

  4. light-independent reactions

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

The light-independent reactions (or Calvin cycle) use energy-carrying molecules (ATP and NADPH) produced during the light-dependent reactions to fix carbon dioxide into high-energy sugars like glucose.