89. What two amino acids can be directly converted each other by a single biochemical reaction?
(A) Glutamine and asparagine
(B) Glycine and serine
(C) Leucine and isoleucine
(D) Alanine and glycine
(E) Phenylalanine and alanine
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統計: A(11), B(104), C(7), D(7), E(4) #1629781
統計: A(11), B(104), C(7), D(7), E(4) #1629781