Question 2 of 16

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Involve(s) reduction and cleavage of the nitrogen-containing ring.

A. Catabolism of guanine
B. Catabolism of uracil

A. A only
B. B only
C. Both A and B
D. Neither A or B
The correct answer is (B).

Comments:

Guanine is a purine and the purine ring is excreted as uric acid. Only the pyrimidine ring is cleaved.

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Last modified 1/5/95