Select all of the following in which carbon fixation still occurs during hot, dry weather.Group of answer choicesC3 photosynthesisCAM photosynthesisC4 photosynthesisNext
Question
Select all of the following in which carbon fixation still occurs during hot, dry weather.Group of answer choicesC3 photosynthesisCAM photosynthesisC4 photosynthesisNext
Solution
Carbon fixation still occurs during hot, dry weather in both CAM photosynthesis and C4 photosynthesis.
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CAM Photosynthesis: CAM (Crassulacean Acid Metabolism) plants close their stomata during the day to reduce evapotranspiration and open them at night to fix CO2. The CO2 is stored as the four-carbon acid malate in vacuoles at night and then used during the day for photosynthesis. This adaptation allows them to conserve water during hot and dry conditions.
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C4 Photosynthesis: C4 plants, like maize and sugarcane, have a different leaf anatomy from C3 plants. They have a mechanism that concentrates CO2 in certain cells deep in the leaf, which allows photosynthesis to occur with
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