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【判断题】
对梳齿板进行试验时, 应注意自动扶梯或自动人行道的运行方向。 在上端梳齿板测试时应向下运行, 在下端梳齿板测试运行A.
正确
B.
错误
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举一反三
【判断题】In 1961, it was discovered that the sequence of nucleotides in an mRNA molecule is read consecutively in groups of three. Each group of three consecutive nucleotides in RNA is called a codon, and each...
A.
正确
B.
错误
【判断题】One genetic codon only encodes for one amino acid, and each amino acid is specified by one codon.
A.
正确
B.
错误
【简答题】终止密码子(termination codon)
【简答题】简并密码子(degenerate codon)
【单选题】[Single-choice question] In protein synthesis, to translate each genetic codon on mRNA into each amino acid in proteins. Each genetic codon is a set of____continuous nucleotides on mRNA.
A.
one
B.
two
C.
three
D.
four
【简答题】起始密码子(iniation codon)
【简答题】净现值指的是投资项目所引起的未来的现金流入的现值与现金流出的现值的之()
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