A 4-year-old male with mental retardation, self-mutilation, and hyperuricemia is likely to have a deficiency of an enzyme involved in which of the following processes?
A. Breakdown of branched-chain amino acids
B. Conversion of homogentisic acid to methylacetoacetate
C. Degradation of galactocerebroside
D. Recycling of guanine and hypoxanthine
E. Synthesis of UMP and CTP
A. Breakdown of branched-chain amino acids
B. Conversion of homogentisic acid to methylacetoacetate
C. Degradation of galactocerebroside
D. Recycling of guanine and hypoxanthine
E. Synthesis of UMP and CTP