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.

Question

Quizplus · Accepted Answer

In both C4 and CAM plants, an enzyme other than rubisco initially fixes carbon dioxide into a four-carbon compound. This adaptation helps to minimize photorespiration and is particularly beneficial in hot, arid environments.

How Is Photosynthesis Similar in C4 Plants and CAM Plants