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Question
The first stable product formed during calvin cycle in C3 plants is:
The first stable product formed during calvin cycle in C3 plants is:
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Solution
The correct option is D 3 carbon compound
Calvin cycle occurs in the stroma of chloroplast during which there is synthesis of glucose. It includes three stages - carboxylation, reduction and regeneration.
During carboxylation, CO2 combines with RuBP (primary acceptor molecule of CO2) and forms an unstable 6 carbon compound. This reaction is catalysed by the enzyme RuBisCO. The unstable 6 carbon compound splits into two molecules of 3-PGA (3-phosphoglycerate). Hence, PGA is the first stable product formed during the Calvin cycle. PGA is a 3 carbon compound. Hence, these plants are called C3 plants.
Calvin cycle occurs in the stroma of chloroplast during which there is synthesis of glucose. It includes three stages - carboxylation, reduction and regeneration.
During carboxylation, CO2 combines with RuBP (primary acceptor molecule of CO2) and forms an unstable 6 carbon compound. This reaction is catalysed by the enzyme RuBisCO. The unstable 6 carbon compound splits into two molecules of 3-PGA (3-phosphoglycerate). Hence, PGA is the first stable product formed during the Calvin cycle. PGA is a 3 carbon compound. Hence, these plants are called C3 plants.
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