16. What is the primary source of one-carbon units for tetrahydrofolate?
(A) Conversion of glycine to serine
(B) Conversion of serine to glycine
(C) Conversion of methionine to homocysteine
(D) Conversion of histidine to glutamate
(E) Conversion of succinyl-CoA to methylmalonyl-CoA
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統計: A(4), B(4), C(0), D(0), E(2) #3429695
統計: A(4), B(4), C(0), D(0), E(2) #3429695