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What Is the first product of CO2 fixation in C4 and CAM plants?
In C4 plants, the first product of CO2 fixation is a 4-carbon compound called oxaloacetate. In CAM plants, the first product of CO2 fixation is converted into malate or another 4-carbon organic acid. These compounds help minimize photorespiration and increase the efficiency of carbon fixation in these plants.
Two alternative photosynthesis pathways found in plants?
C4 and CAM are two alternative photosynthesis pathways found in plants. C4 plants have a specialized mechanism to improve CO2 fixation in hot and dry conditions, while CAM plants use a temporal separation of carbon fixation during the night and day to conserve water.
Are C4 and CAM plants adaptations to moist environments?
No, C4 and CAM plants are adaptations to arid or dry environments. These plants have evolved specialized pathways for photosynthesis to minimize water loss and maximize CO2 intake, which is beneficial in regions with limited water availability.
How do CAM and c4 pathways differ from the c3 pathway?
CAM (Crassulacean Acid Metabolism) and C4 pathways are more efficient than C3 pathway in photosynthesis because they have additional carbon-fixing steps that optimize CO2 uptake and minimize water loss. C4 plants have a spatial separation of carbon fixation and the Calvin cycle in different cells, while CAM plants have a temporal separation by fixing CO2 at night and using it during the day. Both pathways are adaptations to hot and dry environments.
What happens to ordinary plants (or C4 or CAM) when stomata close?
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What Is the first product of CO2 fixation in C4 and CAM plants?
In C4 plants, the first product of CO2 fixation is a 4-carbon compound called oxaloacetate. In CAM plants, the first product of CO2 fixation is converted into malate or another 4-carbon organic acid. These compounds help minimize photorespiration and increase the efficiency of carbon fixation in these plants.
Two alternative photosynthesis pathways found in plants?
C4 and CAM are two alternative photosynthesis pathways found in plants. C4 plants have a specialized mechanism to improve CO2 fixation in hot and dry conditions, while CAM plants use a temporal separation of carbon fixation during the night and day to conserve water.
Are C4 and CAM plants adaptations to moist environments?
No, C4 and CAM plants are adaptations to arid or dry environments. These plants have evolved specialized pathways for photosynthesis to minimize water loss and maximize CO2 intake, which is beneficial in regions with limited water availability.
What kinds of plants use PEP?
CAM and C4
How do CAM and c4 pathways differ from the c3 pathway?
CAM (Crassulacean Acid Metabolism) and C4 pathways are more efficient than C3 pathway in photosynthesis because they have additional carbon-fixing steps that optimize CO2 uptake and minimize water loss. C4 plants have a spatial separation of carbon fixation and the Calvin cycle in different cells, while CAM plants have a temporal separation by fixing CO2 at night and using it during the day. Both pathways are adaptations to hot and dry environments.
How can CAM plants differ from both C3 and C4 plants?
AnswerCAM plants, like C4 plants live in hot and dry places. Unlike any other type of plant, the can close their stomates during the day to conserve water. The also use PEPCase to fix carbon dioxide at night, instead of using RuBP.Note that, only the Cam plants fix CO2 later during the night because they have their stomata closed during the day.
What happens to ordinary plants (or C4 or CAM) when stomata close?
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What are two alternate carbon- fixing pathways used by plants in hot climates?
Two alternate carbon-fixing pathways used by plants in hot climates are the C4 pathway and the CAM (Crassulacean acid metabolism) pathway. In the C4 pathway, carbon fixation via PEP carboxylase occurs in mesophyll cells, and then the bundle sheath cells carry out the Calvin cycle. In the CAM pathway, plants open their stomata at night to take in CO2, which is stored in organic acids and used in the Calvin cycle during the day.
What would be the expected effect on plants if the atmospheric co2 concentration was doubled?
Doubling atmospheric CO2 concentration is expected to increase photosynthesis rates and water use efficiency in plants. However, this may also lead to changes in plant growth patterns, nutrient availability, and interactions with other organisms in the ecosystem. Additionally, it could exacerbate the effects of climate change on plant health and distribution.
How would you expect the relative abundance of C3 versus C4 and CAM species to change in a geographic region where the climate becomes much hotter and drier?
In a hotter and drier climate, C4 and CAM plants are likely to become more abundant compared to C3 plants. This is because C4 and CAM plants are more adapted to hot and dry conditions, as they have better water and carbon dioxide management strategies. C3 plants, on the other hand, are more suited to cooler and wetter conditions.
In C3 plants the conservation of water promotes?
Cam stands for Crassulacean acid metabolism. C3 and C4 conserve less water than Cam plants. Actually, C4 plant capture more carbon than C3 plant. In the struggle to reduce carbon dioxide concentration in the atmosphere, genetic scientists have modified some large scale crops into C4 bases. Cam plant is wholly different from C3 and C4 and examples of are the cactus and other succulent plants in order to survive in dry dusty regions. In Cam plants, [http://en.wikipedia.org/wiki/Carbon_fixation carbon fixation] occurs at night while C3 and C4 plants carry out photosynthesis during daylights.
How plants adopt themselves to avoid photo respiration?
Plants have evolved different mechanisms to avoid or reduce photorespiration, such as C4 and CAM photosynthesis. In C4 plants, like corn and sugarcane, carbon dioxide is initially fixed into a 4-carbon compound in the mesophyll cells before entering the Calvin cycle in the bundle sheath cells, which helps minimize the effects of photorespiration. CAM plants, like succulents, open their stomata at night to take in carbon dioxide and store it as organic acids, which are then broken down during the day to release CO2 for photosynthesis, reducing water loss and photorespiration.
