I know this question had come up before but Im still confused. Destroyer said 6 turn of calvin cycle produce 1 glucose. but campbell said 2 turn. becasue calcin cycle start with 3 ribulose biphosphate and 3 CO3 is added to the cycle. each cycle consume 9 ATP and 6 NADPH. and produce 6 G3P, 1 G3P will get out of the cycle and 5 G3P will regenerate 3 molecule of RuBP. so in order to produce glucose, need 2 G3P which mean 2 cycle.... any thought?