皮皮学，免费搜题
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搜题
【单选题】
下列哪些氨基酸是人体必需氨基酸 :A.
缬氨酸、蛋氨酸、苏氨酸、赖氨酸
B.
亮氨酸、 苏氨酸、赖氨酸、甘氨酸
C.
谷氨酸、甘氨酸、氨酸、苏氨酸
D.
谷氨酸、亮氨酸、氨酸、色氨酸
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