7.玉米的第一限制胺基酸為何?
(A)離胺酸(lysine)
(B)甲硫胺酸(methionine)
(C)精胺酸(arginine)
(D)酪胺酸(tyrosine)
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統計: A(977), B(194), C(43), D(32), E(0) #3204214
統計: A(977), B(194), C(43), D(32), E(0) #3204214