phase I reaction

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San Francisco, California/USA-1/18/20: Womens March at Civic Center marching with signs of political protest regarding equality also embracing 2020 presidential candidates and celebrating equality

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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

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phase I reaction

physiology

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metabolism and poison removal description

In poison: Biotransformation
In phase I, an exogenous molecule is modified by the addition of a functional group such as a hydroxyl, a carboxyl, or a sulfhydryl. This modification allows phase II, the conjugation, or joining, of the exogenous molecule with an endogenous molecule (one naturally found in the…
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