How is photosynthesis similar in C₄ plants and CAM plants?
A) In both cases, only photosystem I is used.
B) Both types of plants make sugar without the Calvin cycle.
C) In both cases, rubisco is not used to fix carbon initially.
D) Both types of plants make most of their sugar in the dark.
E) In both cases, thylakoids are not involved in photosynthesis.

Question

Quizplus · Accepted Answer

Both C₄ plants and CAM plants have adapted mechanisms to reduce photorespiration by using enzymes that can fix carbon dioxide into four-carbon compounds instead of three-carbon compounds. This means that rubisco is not used to fix carbon initially in either type of plant.

How Is Photosynthesis Similar in C₄ Plants and CAM Plants