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【简答题】
溶液A中含有浓度为1mol的20个bp的DNA分子，而溶液B中含有0.05mol的400个bp的DNA分子，所以这两种溶液中核苷酸残基数相等。假设DNA分子都有相同的碱基组成。
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皮皮学刷刷变学霸
举一反三
【单选题】新中国成立以来我党在历史上具有深远意义的伟大转折是( )。
A.
党的十一届三中全会
B.
党的十一届六中全会
C.
党的第十三次全国代表大会
D.
党的第十四次全国代表大会
【单选题】关于PPD皮试,下列哪项错误:
A.
于前臂掌侧中下1/3交界处注射
B.
一般注射0.1ml 5个结核菌素单位
C.
皮丘直径必须＞6mm
D.
注射后48~72小时看结果
E.
测量局部红晕直径判断反应强度
【简答题】The man is reported to have said in private that "we are being made fools of by many of our c1．The man is reported to have said in private that "we are being made fools of by many of our s, so w...
【单选题】Many countries have sent up man－made communication satellites to _____ the earth, which is made
A.
67. Many countries have sent up man-made communication satellites to _____ the earth, which is made possible for each household to use TV. A．move
B.
round
C.
circle
D.
Go
【单选题】关于 PPD 皮试,下列哪项错误:
A.
于前臂掌侧中下 1/3 交界处注射 一般注射 0.1ml
B.
5 个结核菌素单位
C.
皮丘直径必须＞ 6mm
D.
注射后 48~72 小时看结果
E.
测量局部红晕直径判断反应强度
【简答题】The man is reported to have said in private that "we are being made fools of by many of our s, so we are entitled to have them bow to us as compensation."
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