Where Does Phosphate for ATP Cycle Come From?

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Phosphate for the ATP cycle primarily comes from dietary sources, particularly through the consumption of phosphate-rich foods like meats, dairy, and nuts. The body also recycles phosphate through various biochemical processes, including the breakdown of ATP itself. Additionally, phosphate can be derived from chemical reactions in the body, such as those involving phosphocreatine. Understanding these sources is crucial for comprehending energy metabolism. Overall, both dietary intake and internal biochemical processes contribute to the phosphate needed for ATP production.
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I am wondering where the phosphate needed to carry out the ATP cycle is derived from. Is it produced by our bodies, to we get it from the food we eat, or is eat based on a particular chemical reaction?
 
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prime-factor said:
I am wondering where the phosphate needed to carry out the ATP cycle is derived from. Is it produced by our bodies, to we get it from the food we eat, or is eat based on a particular chemical reaction?

I think you are on to something here...
 
Thread 'Confusion regarding a chemical kinetics problem'

Thread 'Confusion regarding a chemical kinetics problem'

TL;DR Summary: cannot find out error in solution proposed. [![question with rate laws][1]][1] Now the rate law for the reaction (i.e reaction rate) can be written as: $$ R= k[N_2O_5] $$ my main question is, WHAT is this reaction equal to? what I mean here is, whether $$k[N_2O_5]= -d[N_2O_5]/dt$$ or is it $$k[N_2O_5]= -1/2 \frac{d}{dt} [N_2O_5] $$ ? The latter seems to be more apt, as the reaction rate must be -1/2 (disappearance rate of N2O5), which adheres to the stoichiometry of the...
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