人体必需的氨基酸是指 A组成蛋白质的20种氨基酸b能通过体内其它物质转变来的氨基酸c只能从食物中获得的氨基酸d体内细胞合成的部分 Template


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tomski人体必需的氨基酸是指 a组成蛋白质的20种氨基酸b能通过体内其它物质转变来的氨基酸c只能从食物中获得的氨基酸d体内细胞合成的部分 coloring