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One Liner

Chemical alteration of an agent (drug) that occurs by virtue of the sojourn of the agent in a biological system.

Biotransformation

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This question belongs to the set "Pharmacology Chapter 1 Revision: Key One-Liner Questions for Pharmacist Exams". Click below to read detailed notes and attempt the full quiz.

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Explanation: Chemical antagonism does not involve any receptors. Protamine is a positively charged protein at physiological pH and thus antagonizes the effects of Heparin which is negatively charged at physiological pH.
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