Chloroplasts and Mitochondria Are Involved in a Redox Cycle Because

Multiple Choice

Chloroplasts and mitochondria are involved in a redox cycle because

A) carbon dioxide is reduced during photosynthesis and carbohydrates are oxidized during cellular respiration.
B) both use carbon dioxide.
C) photosynthesis uses energy and cellular respiration releases energy.
D) both are required to be in all cells.
E) energy cycles between the two organelles.