CAM Plants Keep Stomata Closed in Daytime, Thus Reducing Loss

question 40

Multiple Choice

CAM plants keep stomata closed in daytime, thus reducing loss of water. They can do this because they

• A) fix CO₂ into organic acids during the night.
• B) fix CO₂ into sugars in the bundle-sheath cells.
• C) fix CO₂ into pyruvate in the mesophyll cells.
• D) use the enzyme phosphofructokinase, which outcompetes rubisco for CO₂.
• E) use photosystem I and photosystem II at night.

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Definitions:

Appeal To Emotion

A logical fallacy where someone tries to win an argument by eliciting an emotional response instead of presenting logical reasons.

Fallacy

An erroneous argument or reasoning that results in a false or misleading conclusion.

Logic

The systematic study of the form of arguments; a branch of philosophy dealing with the principles of reasoning and argumentation.

Appeal To Majority

A fallacy in reasoning that argues that a proposition must be true because many or most people believe it.