27. Orotic aciduria 一種遺傳性的代謝疾病造成 orotic acid(orotate)聚積在 tissues, blood, and urine. 其病因可能是下列何種代謝過程有缺陷?
(A)purine breakdown
(B)purine synthesis
(C)pyrimidine breakdown
(D)pyrimidine synthesis
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統計: A(5), B(1), C(1), D(5), E(0) #865560
統計: A(5), B(1), C(1), D(5), E(0) #865560