Multiple Choice
All are characteristics of xanthine oxidase EXCEPT:
A) present in large amounts in liver, intestinal mucosa and milk.
B) uses molecular oxygen and produces H2O2.
C) involved in production of urea.
D) possesses an electron-transport chain with FAD, Fe−S cluster and molybdenum cofactor.
E) all are true.
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Which of the following would cause an
Q13: The fate of IMP is regulated by
Q14: In purine biosynthesis when glycine adds to
Q15: Glutamine phosphoribosyl pyrophosphate amidotransferase catalyzes step 2
Q16: All of the following statements about nucleotides
Q18: About 30% of severe combined immunodeficiency syndrome
Q19: What is the limiting substance in the
Q20: What is the importance of the purine
Q21: What type of reaction gives UMP from
Q22: Thymine nucleotides are not synthesized directly by