AP Biologymediummcq1 pt
How many CO₂ molecules must be fixed to net one G3P for sugar synthesis?
A.3
B.1
C.6
D.12
Explanation
Core Concept
Three turns each add one carbon; five of the six G3P molecules regenerate RuBP, leaving one net G3P for the plant's use.
Correct Answer
A3
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