Biochemistry The activity of this plasma enzyme is responsible virtually for all plasma cholesterol esters in humans: A Lecithin cholesterol acyl transferase (LCAT) B Pyrophospho mevalonate decarboxylase C HMG CoA reductase D Phospho mevalonate kinase 💡 Explanation The activity of this plasma enzyme is responsible virtually for all plasma cholesterol esters in humans: ✓ Correct Answer: A. Lecithin cholesterol acyl transferase (LCAT)