Creatine

Creatine-phosphocreatine interconversions are most important in cells that go back and forth between high and low levels of metabolic activity, such as in resting vs active muscle cells. Creatine kinase operates at near equilibrium ...

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I am confused as to what the role of PCr in muslce contrraction actually is. I understand that it used to to convert ADP to ATP, however I do not understand where the PCr comes from. Does the PCr not come from respiration itself in a reverse of the reaction described above? Consequently, what is the...

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... ARTIFICIAL HORMONES INCREASING, LIKE - INJECTIONS. I am a 100% fanatic of natural weightlifting = no steroids, no hormones, all I ever used was creatine, and whey protein (both from Universal Nutrition). What i meant by asking this question was, how can one NATURALLY increase testosterone leve, ...

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... reaction with regards to CK activity and the addition of pyruvate kinase and lactate dehydrogenase. Also how is the removal of NADH related to the Creatine Kinase activity? Any help would be great thanks. ATP + creatine <--(reversibly)--> ADP + creatine phosphate + H+ (H+, the plus should ...

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oh ok i get that but i am talking about muscle ATP, creatine phosphate, muscle glycogen to C02, muscle glycogen to lactate, fatty adipose tissue? like how come all those yield different amounts of ATP? or is it the same principle?

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