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Question
Which of the following is the first compound that accepts carbon dioxide during dark phase of photosynthesis?
Which of the following is the first compound that accepts carbon dioxide during dark phase of photosynthesis?
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Solution
The correct option is B RuBP
Dark phase reaction which is also known as the Calvin cycle. The first step of the Calvin cycle begins with 6 molecules of carbon dioxide from the atmosphere binds with the six molecules of 5 - carbon compound of RuBP. The carbon dioxide molecules bound to RuBP with the help of an enzyme called RuBisCO ( Ribulose 1,5 - biphosphate carboxylase - oxygenase).So the correct option is 'RuBP'.
Dark phase reaction which is also known as the Calvin cycle. The first step of the Calvin cycle begins with 6 molecules of carbon dioxide from the atmosphere binds with the six molecules of 5 - carbon compound of RuBP. The carbon dioxide molecules bound to RuBP with the help of an enzyme called RuBisCO ( Ribulose 1,5 - biphosphate carboxylase - oxygenase).
So the correct option is 'RuBP'.
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