阿摩線上測驗
16. ________ are commonly referred to, respectively, as the 21st and 22nd amino acids.
(A) Selenocysteine and pyrrolysine
(B) Adenine and guanine
(C) Thymine and uracil
(D) Hydroxyproline and hydroxylysine
(E) β-Alanine and D-alanine
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統計： A(20), B(0), C(0), D(0), E(0) #3205081
統計： A(20), B(0), C(0), D(0), E(0) #3205081
