sfoksn

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How much ATP needed for synthesis of 1 glucose?

a. 12
b. 14
c. 16
d. 18
e. 6
 
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Avery07

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The synthesis of 1 glucose molecule costs 18 ATP (as well as 12 NADH and 6CO2).

And this is photosynthesis, not cellular respiration.
 

sfoksn

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Thank you Avery, you are probably going to get 25+ AA and TS :)

I modified my post haha

How obvious, 12 from forming 12 PGAL and 6 from regenerating RuBP!
 

Avery07

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Thank you Avery, you are probably going to get 25+ AA and TS :)

I modified my post haha

How obvious, 12 from forming 12 PGAL and 6 from regenerating RuBP!
That's a great way to remember it.

And thanks for the assurance but I still have a long ways to go. :(
 

dentalWorks

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A question like this woun't exactly show up this way on the DAT. If it were to show up, it woun't ask "how many" ATPs are used, but rather "why" ATP is used in photosynthesis.

And one of your answer choices will say that because the reduction of CO2 gas is an energy requiring process
 

sfoksn

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Wow dentalworks,
That is a hard one to answer!
I guess that makes sense because carbonyls tend to be stable...

Is that the correct answer?