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feedback inhibition |
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feedback inhibitionSuppression of the activity of an enzyme by a product of the sequence of reactions in which the enzyme is participating. When the product accumulates in a cell beyond an optimal amount, it decreases its own production by inhibiting an enzyme involved in its synthesis. After the product has been used or broken down, inhibition is relaxed and formation of the product resumes. Enzymes whose ability to catalyze a reaction depends on molecules other than the substances on which they act directly are said to be under allosteric control. |
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The essence of this theory is that aging is caused by a progressive loss of sensitivity by the hypothalamus and related structures in the brain to negative feedback inhibition. We believe a feedback inhibition is taking effect," says Phillip L. |
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feedback inhibition