This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Regarding glutathione which of the following is/are true except 
Select and explain. 
A. It helps in absorption of certain amino acids, B. It inactivates some enzymes, C. It helps in mebrane transport, D. It helps in conjugation reactions
B: It inactivates some enzymes
Answer: B: It inactivates some enzymes 
Explanation: Glutathione helps in keeping some enzymes in an active state by preventing the oxidation of their sulfhydryl (-SH) group. Therefore, glutathione is required for the catalytic activity of many enzymes.
Glutathione is involved in the transport of amino acids across the cell membrane of the kidney and intestine.
Glutathione is used to conjugate xenobiotics