46. Which of the following is a semi-essential amino acid; that is, this amino acid is
essential in infants but not in adult.
(A)Proline
(B) Histidine
(C) Leucine
(D) Tyrosine
(E) Lysine
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統計: A(3), B(25), C(0), D(2), E(1) #2993235
統計: A(3), B(25), C(0), D(2), E(1) #2993235