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【多选题】
破坏氢键将改变蛋白质的哪些结构A.
一级结构
B.
二级结构
C.
三级结构
D.
四级结构
E.
以上都正确
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皮皮学刷刷变学霸
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A.
She works in a factory
B.
She is in the kitchen, cooking
C.
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D.
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