How many turns of the Calvin cycle are requir | vedclass

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Question

(C) The Calvin cycle involves the fixation of $CO_2$ into organic compounds. Each turn of the Calvin cycle fixes one molecule of $CO_2$ into a $3$-car

Vedclass · Accepted Answer

Six turns

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(C) The Calvin cycle involves the fixation of $CO_2$ into organic compounds. Each turn of the Calvin cycle fixes one molecule of $CO_2$ into a $3$-carbon compound ($3$-$PGA$). Since a molecule of glucose $(C_6H_{12}O_6)$ contains $6$ carbon atoms,it requires the fixation of $6$ molecules of $CO_2$. Therefore,$6$ turns of the Calvin cycle are necessary to produce one molecule of glucose.

How many turns of the Calvin cycle are required to produce one molecule of glucose/hexose?

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