C₄ plants are thought to be more efficient than C₃ plants because they A) make larger sugar molecules from CO₂. B) can concentrate the CO₂ in chloroplasts and therefore minimize side reactions with O₂. C) can produce sugar molecules at night in addition to during the day. D) can live in dry climates.

Question

Quizplus · Accepted Answer

C₄ plants are able to concentrate the CO₂ in their chloroplasts, which allows for a more efficient conversion of CO₂ into sugar molecules while minimizing side reactions with oxygen. This is one reason why C₄ plants are thought to be more efficient than C₃ plants.

C4 Plants Are Thought to Be More Efficient Than C3

C₄ Plants Are Thought to Be More Efficient Than C₃