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【单选题】
It is culture more than anything else determines how a nation’s civilization evolves.A.
that
B.
which
C.
why
D.
as
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【单选题】假如某一蛋白质分子由一条多肽链构成,该多肽链含160个氨基酸,则控制该蛋白质合成的基因中至少含有的碱基数是
A.
80
B.
160
C.
320
D.
480
E.
560
【单选题】From the company's perspective, a quality brand image enhances the introduction of a new product because:
A.
the company can charge a lower price for the new product.
B.
a new distribution channel can be established.
C.
customers normally transfer their trust in and beliefs about the corporation to a new product.
D.
the competition does not know how to respond.
【简答题】设有一数字序列为1011000101，请画出相应的NRZ码、RZ码、双极性归零码、AMI码和四电平码的波形。
【单选题】Because of ________, a company cannot make its product illegally similar to a competitor's already established product.
A.
anti-monopoly laws
B.
patent laws
C.
product warranties
D.
product liability
【单选题】假如某一蛋白质分子由一条多肽链构成,该多肽链含120个氨基酸,则控制该蛋白质合成的基因中至少含有的碱基数是( )。(熟悉, 难度:0.73,区分度:0)
A.
60个
B.
120个
C.
240个
D.
360个
E.
720个
【简答题】A company's product _________ is the set of products made by that particular company.
【单选题】假如某一蛋白质分子由一条多肽链构成，该多肽链含120个氨基酸，则控制该蛋白质合成的基因中至少含有的碱基数是
A.
60个
B.
120个
C.
240个
D.
360个
E.
720个
【单选题】假如某一蛋白质分子由一条多肽链构成,该多肽链含120个氨基酸,则控制该蛋白质合成的基因中至少含有的碱基数是:
A.
60个
B.
120个
C.
240个
D.
360个
E.
720个
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