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  4. For yielding one molecule of glucose the Calvin cycle turns

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Q. For yielding one molecule of glucose the Calvin cycle turns

COMEDKCOMEDK 2008Photosynthesis in Higher Plants

Solution:

Conversion of $ CO_{2} $ to simple (reduced) organic compounds is called $ CO_{2} $ assimilation or $ CO_{2} $ fixation or carbon fixation. This fixation pathway was elucidated in the early $1950\,s$ by Melvin Calvin and co-workers and is often called as Calvin cycle. Since one molecule of carbon is fixed in one tum of the Calvin cycle. So, six turns of the cycle are required to fix the glucose molecule containing $6$ carbon atoms.