問題詳情
23. Which form of tetrahydrofolate is used in the enzymatic transfer of formyl group, as in purinesynthesis and in the formation of formyl-methionine in prokaryotes?
(A) N5-Formyl-tetrahydrofolate
(B) N5-Formimino-tetrahydrofolate
(C)
(D)
(E) Tetrahydrofolate