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Carbon cycle

the circulation of carbon atoms in the biosphere as a result of photosynthetic conversion of carbon dioxide into complex organic compounds by plants, which are consumed by other organisms: the carbon returns to the atmosphere in the form of carbon dioxide


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Re: How much ATP a person consumes...?

... one molecule of glucose produces a net gain of 2 ATP. The krebs cycle produces 2 more ATP, and the electron transfer chain produces an additional ... of the first paragraph it says "Dietary fats (usually 18 to 20 carbons) contain approximately 9 dietary calories per gram." I'm assuming ...

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by rafay
Fri Mar 23, 2012 7:48 pm
 
Forum: Cell Biology
Topic: How much ATP a person consumes...?
Replies: 16
Views: 20901

How much ATP a person consumes...?

OK, let me try to calculate this. 18 carbon/2 carbons= 9 acetyl CoA 1 FADH2 produced = 2 ATP 1 NADH produced = 3 ATP TOTAL: 5 ATP per 1 fatty acid cycle "The last step produces 2 acetyl-CoA and thus oxidation of C16 takes place in 7 steps, ...

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by AJ427
Thu Mar 22, 2012 6:21 am
 
Forum: Cell Biology
Topic: How much ATP a person consumes...?
Replies: 16
Views: 20901

Re: how to memorize the amino acid

... Isoleucine is not iso- for no reason, so you move the methyl by one carbon. Threonine and methionine are little bit tricky to remember, but simply ... than Lys and there is the guanidium group. If you look on the urea cycle , you can see there is the arginine as well as ornithin, which is one-carbon-shorter ...

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by JackBean
Thu Feb 09, 2012 9:52 am
 
Forum: General Discussion
Topic: how to memorize the amino acid
Replies: 4
Views: 5504

Re: I hate to do this.

... via photosyntesis (6CO2+12H2O -> C6H12O6+6O2+6H2O. Oxygen and carbondioxide is transformed to water, oxygen and glucose where the glucose). ... place them. Baiscly: detritivores break down dead organic matter and recycles this into the soil for new producers to use. A detritivore breaks ...

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by Larsa
Tue Nov 15, 2011 11:07 am
 
Forum: General Discussion
Topic: I hate to do this.
Replies: 3
Views: 23645

I hate to do this.

... obtain its nutrients and energy? the primary consumer level During the carbon cycle, carbon is released into the atmosphere in several ways. Which of the following options ...

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by biologyconfusesme
Mon Nov 14, 2011 7:39 pm
 
Forum: General Discussion
Topic: I hate to do this.
Replies: 3
Views: 23645
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