M12326Xanthine is
A) a purine base.
B) the precursor of uric acid in a reaction catalyzed by xanthine oxidase.
C) an intermediate in the degradation of adenine and guanine nucleotides.
D) in nucleotide form, a precursor of GMP.
E) all of the above.
Correct Answer:
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A) is defective
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Q68: Which of the following is an anti-folate
Q69: C
A) folic acid.
B) dihydrofolic acid.
C) tetrahydrofolic acid.
D)
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Q72: A compound which contributes both carbon and
Q74: M12233The enzyme which catalyzes the committed step
Q75: Which one of the following statements relating
Q76: M11007Which statement regarding the biosynthesis of thymine
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