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在熔解温度时,双股DNA发生下列哪些变化?

多选题
2021-07-17 23:17
A、双股螺旋完全解开
B、双股螺旋50%解开
C、在260nm处的吸光度增加
D、碱基对间氢键部分断裂
E、所有G-C对消失
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正确答案
BCD

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在熔解温度时,双股DNA发生下列哪些变化?
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