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Why does lactic acid build up in muscles?
Why does lactic acid build up in muscles?

... muscle would produce something that would slow its capacity for more work. In reality, this is a natural defense mechanism for the body; it prevents permanent damage during extreme exertion by slowing the key systems needed to maintain muscle contraction. Once the body slows down, oxygen becomes ava ...
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Hexose MonoPhosphate (HMP) shunt pathway
Hexose MonoPhosphate (HMP) shunt pathway

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14C2H4 : Distribution of 14G-labeled tissue metabolites

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Cellular Respiration - Labs - Department of Plant Biology, Cornell

... bound to ignore the yeast in this phenomenon, or at the most will concede to it only the role of initiator! Very well! Learn that this yeast always borrows something from the sugar, and makes a part of its own tissues out of this food. Learn also that it is only on the condition of keeping a little ...
Formulae and equations
Formulae and equations

... Atom ...
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Gaseous signaling molecules

Gaseous signaling molecules are gaseous molecules that are either synthesised internally (endogenously) in the organism, tissue or cell or are received by the organism, tissue or cell from outside (say, from the atmosphere or hydrosphere, as in the case of oxygen) and that are used to transmit chemical signals which induce certain physiological or biochemical changes in the organism, tissue or cell. The term is applied to, for example, oxygen, carbon dioxide, nitric oxide, carbon monoxide, hydrogen sulfide, sulfur dioxide, nitrous oxide, hydrogen cyanide, ammonia, methane, hydrogen, ethylene etc.Many, but not all, of gaseous signaling molecules are named gasotransmitters.The biological roles of each of the gaseous signaling molecules are in short outlined below.
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