TLS Online TPP Program

#Question id: 32407


Deuterated acetyl-coenzyme A (-CD3 instead of –CH3) was used in an experiment to study the TCA cycle. Upon analysis of the metabolites, it was found that deuterium (D) was present in a wide variety of compounds; even compounds not associated with the citric acid cycle. This is due to

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Frequent methylation of proteins & enzymes
  2. Frequent acetylation of proteins & enzymes
  3. Frequent carboxymethylation of proteins & enzymes
  4. Frequent carboxylation of enzymes