Drug Metabolism Overview
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Questions and Answers

What is the main difference between products of conjugation reactions and Phase I reactions?

  • Conjugation products have increased molecular weight and are more active, while Phase I reactions often produce inactive metabolites
  • Conjugation products have decreased molecular weight and are less active, while Phase I reactions often produce active metabolites
  • Conjugation products have increased molecular weight and are less active, while Phase I reactions often produce active metabolites (correct)
  • Conjugation products have decreased molecular weight and are more active, while Phase I reactions often produce inactive metabolites

Which type of reaction detoxifies reactive electrophiles by adding large anionic groups like GSH?

  • Acetylation
  • Methylation
  • Glutathione conjugation (correct)
  • Sulphation

What type of transferases can metabolize almost any hydrophobic compound containing nucleophilic or electrophilic groups?

  • Methyltransferase
  • Glutathione S-transferases (correct)
  • Sulfotransferases
  • Glucuronosyltransferases

Which enzyme forms a xenobiotic acyl-CoA as part of the glycine conjugation pathway?

<p>XM-ligase (D)</p> Signup and view all the answers

What is the primary function of bile acid-CoA: amino acid N-acyltransferases?

<p>Formation of glycine conjugate (C)</p> Signup and view all the answers

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