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Suppose that you are measuring CO2 exchange by a leaf. During the time period of your measurement, 1.20E+7 molecules of glyeraldehyde phosphate (PGAL) are made from CO2 in photosynthesis and 1.00E+6 molecules of glucose are used in cellular respiration. How many net molecules of CO2 would you detect...

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by Anonymous
Mon Sep 10, 2012 7:57 am
Forum: General Discussion
Topic: photosynthesis
Replies: 1
Views: 3023

calvin cycle question

If 48 molecules of CO2 enter the Calvin Cycle, How many molecules of glyceraldehyde phosphate (PGAL) leave the cycle? How many molecules of ribulose bisphosphate (RuBP) will be produced? How many molecules of ATP will be utilized? I am SO clueless. help wanted!

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by Anonymous
Mon Sep 10, 2012 6:13 am
Forum: General Discussion
Topic: calvin cycle question
Replies: 2
Views: 2658


Alright so I'm a gr12 student studying photosynthesis right now, and I understand all the concepts as far as light dependent and independent reactions go, as well as other physiological adaptations, but what I am unclear about is the amount of photons needed to produce a PGAL molecule. So I'm asking...

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by Gilby101
Sat Apr 14, 2012 2:32 pm
Forum: Physiology
Topic: Photosynthesis
Replies: 2
Views: 3284

the Calvin cycle???help please

Heh, sorry, but I think I don't get you. My point wasn't provided/provider, because you wrote it corectly, that it is provided by the "light" reaction, my point was, that it is electron, not hydrogen, what is provided ;) The hydrogen is there just to keep it electroneutral ;) Yes, RuBP is ...

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by JackBean
Tue Oct 13, 2009 2:36 am
Forum: Botany Discussion
Topic: the Calvin cycle???help please
Replies: 15
Views: 17820

Photosynthesis Trivia

Questions for the Biology Bowl, I read the chapter, but I'm still having difficulty with these questions. 1. The dark reaction is given its name because (A.) it does not require light (B.) light inhibits its functioning (C.) it is poorly understood (D.) it involves dark pigments 2. Photophosphorylat...

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by vstexas09
Mon Oct 13, 2008 12:46 am
Forum: Cell Biology
Topic: Photosynthesis Trivia
Replies: 5
Views: 30013
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