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Biology Chapter 10

Question:

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

A) fix CO2into organic acids during the night.

B) fix CO2into sugars in the bundle-sheath cells.

C) fix CO2into pyruvatein the mesophyll cells.

D) use the enzyme phosphofructokinase, which outcompetes rubisco for CO2.

E) use photosystems I and II at night.



Answer:

A) fix CO2into organic acids during the night.



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Last update by mayur on 03/27/2014
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Biology Chapter 10
Biology Chapter 10
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Free Flashcard From Biology Chapter 10
Question: CAM plants keep stomata closed in daytime, thus reducing loss of water. They can do this because they A) fix CO2into organic acids during the night. B) fix CO2into sugars in the bundle-sheath cells. C) fix CO2into pyruvatein the mesophyll cells. D) use the enzyme phosphofructokinase, which outcompetes rubisco for CO2. E) use photosystems I and II at night.
Answer: A) fix CO2into organic acids during the night.