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Question
In the mesophyll cells of CAM plants, CO2 fixation during the day occurs through
In the mesophyll cells of CAM plants, CO2 fixation during the day occurs through
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Solution
The correct option is D RuBP carboxylase
CAM photosynthesis is a carbon fixation pathway present
in some plants, such as desert plants. These plants fix carbon dioxide during night, storing it as the four carbon acid malate. The malate is then reduced
to a three carbon compound oxaloacetate and the carbon dioxide. This carbon
dioxide is released during the day, where it is concentrated around the enzyme
RuBP carboxylase and increases the efficiency of photosynthesis. The
carboxylating enzyme used during day is RuBP carboxylase and during the night
its PEP carboxylase.
Answer is option C.
CAM photosynthesis is a carbon fixation pathway present in some plants, such as desert plants. These plants fix carbon dioxide during night, storing it as the four carbon acid malate. The malate is then reduced to a three carbon compound oxaloacetate and the carbon dioxide. This carbon dioxide is released during the day, where it is concentrated around the enzyme RuBP carboxylase and increases the efficiency of photosynthesis. The carboxylating enzyme used during day is RuBP carboxylase and during the night its PEP carboxylase.
Answer is option C.
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