题目内容

Over recent years, Canada has faced several ______ by countries such as the United States,

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Where can we see economies in which women do all the hard work while men sit around enjoying themselves?

你和同事交谈时无意说了领导的坏话,在随后的会议上,领导间接地批评了你,你怎么办?

临时停工的地点,不得停风,否则必须做到什么。

一段DNA的碱基序列如下,试问翻译这段DNA编码的mRNA,需要多少种tRNA?其可能的反密码子是什么?译得的多肽链,其氨基酸序列如何?(可以查密码表)
5′……AAGGAGGT……ATAATGTTTAGAGTAAGATCTCCT……TAG……3′
3′……TTCCTCCA……TATTACAAATCTCATTCTAGAGGA……ATC……5′

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