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【多选题】
关于蛋白质结构的叙述正确的是:A.
链内二硫键不是蛋白质分子构象的决定因素
B.
带电荷的氨基酸侧链伸向蛋白质分子的表面,暴露在溶剂中
C.
蛋白质的一级结构是决定高级结构的重要因素
D.
只有极少数氨基酸的侧链埋藏在分子内部
E.
所有蛋白质都有一、二、三、四级结构
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