【多选题】现场复合保温板与工厂复合比较,有以下几方面的优点( )。
【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
【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】同学,男,14岁。暑假期间因持续发热5天,伴意识障碍和抽搐1天而入院。经体检发现颈部有抵抗感,克氏征、布氏征阳性。目前对疾病早期诊断意义最大的检查项目是( )
【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)
【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: