阿摩線上測驗
15.Melanin is the pigment of the hair, skin and iris of the eyes and is synthesized' in melanocytes. Which of
the following amino acids is the precursor of melanin synthesis?
(A) Arginine
(B) Glycine
(C) Histidine
(D) Tryptophan
(E) Tyrosine
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統計： A(1), B(0), C(0), D(1), E(1) #3195118
統計： A(1), B(0), C(0), D(1), E(1) #3195118
