Metabolism
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The chemical reactions of metabolism are organized into metabolic pathways, in which one chemical is transformed through a series of steps into another chemical, by a sequence of enzymes. Enzymes are crucial to metabolism because they allow organisms to drive desirable reactions that require energy and will not occur by themselves, by coupling them to spontaneous reactions that release energy. As enzymes act as catalysts they allow these reactions to proceed quickly and efficiently. Enzymes also allow the regulation of metabolic pathways in response to changes in the cell's environment or signals from other cells.
The metabolism of an organism determines which substances it will find nutritious and which it will find poisonous. For example, some prokaryotes use hydrogen sulfide as a nutrient, yet this gas is poisonous to animals.[1] The speed of metabolism, the metabolic rate, also influences how much food an organism will require.
## within this scientific explanation we found another great paradox within the materialistic mechanical scientific explanation of life's origin; the inevetable antropomorphizing qualities of our existence. 'The organism determines' and 'which substances it will find nutritious'. These aren't qualifications of matter but of consciousness. ##
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