Multiple Choice
In the context of organic chemistry, what is the primary product of the Calvin cycle?
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Intro to Organic Chemistry
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What adaptation do CAM plants use to minimize water loss while capturing carbon dioxide?
A
Open their stomata during the day to capture CO2
B
Open their stomata at night to capture CO2
C
Use C4 photosynthesis to capture CO2
D
Store CO2 in the form of glucose during the day
Verified step by step guidance1
Understand the challenge CAM plants face: CAM (Crassulacean Acid Metabolism) plants live in arid conditions where water conservation is crucial.
Recognize the role of stomata: Stomata are small openings on the surface of leaves that allow gas exchange. Opening them during the day can lead to water loss due to evaporation.
Identify the adaptation: CAM plants open their stomata at night when temperatures are cooler and humidity is higher, reducing water loss while still allowing CO2 to enter.
Explain the process: At night, CAM plants capture CO2 and store it as an organic acid in vacuoles. During the day, when the stomata are closed, the stored CO2 is released for photosynthesis.
Differentiate from other processes: Unlike C4 photosynthesis, which spatially separates carbon fixation and the Calvin cycle, CAM plants temporally separate these processes to adapt to their environment.
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