alleryHow many turns of the Calvin cycle are needed to produce one three-carbon G3P for export?
AFive
BNine
CThree
DSeven
Answer & Solution
Correct answer: C. Three
1. One CO2 enters per turn.
2. Three turns net one G3P.
3. Six turns make a glucose.
_Source: OpenStax Biology 2e, Chapter 8, Photosynthesis (CC BY 4.0)._
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