試題詳解

11. Which statement is correct?
(A) The biosynthesis of dNTPs uses NTPs as the source.
(B) The overall scheme of pyrimidine biosynthesis is the same as purine.
(C) The pyrimidine catabolism is first degraded to the nucleobase.
(D) The pyrimidine ring is assembled before it is attached to ribose-5-phosphate.
(E) Ribonucleotide reductase catalyzes deoxyribose to ribose in all biology.