Which of the Following Correctly Explains the Relationship Between Xanthine

question 19

Multiple Choice

Which of the following correctly explains the relationship between xanthine dehydrogenase (XDH) and xanthine oxidase (XO) ?

• A)in healthy tissue, XDH is abundant while XO is rarely found
• B)conversion of XDH to XO occurs under conditions that damage cells
• C)XDH is converted to XO by formation of a disulfide bond
• D)XDH is converted to XO by proteolysis
• E)all of the above

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