题目内容

下列哪一项不是外毒素的特点

A. 可制成类毒素
B. 化学成份为蛋白质
C. 抗原性弱
D. 毒性强

查看答案

搜索结果不匹配？点我反馈

更多问题

白喉棒状杆菌产生外毒素是因为其基因发生了

A. 转化
B. 接合
C. 转导
D. 溶原性转换

查看答案

是吃饭的

A. 单方事故
B. 十多个
C. 发生
D. 单身公害

查看答案

Which of the following statements does not correctly describe the architecture of the decision making model introduced in the part 30? 102. (part 30, medium) 105-Final

A. Local recurrent excitation within each excitatory neural population.
B. Global inhibition by inhibitory interneurons.
C. Feedforward inhibition between the excitatory neural populations.
D. Hidden layers with feedforward excitation for the input neural populations.

查看答案

In the working memory model introduced in the part 29, the encoding and erasing of working memory can be described by which of the following mechanisms in the theory of dynamical systems. 100. (part 29, difficult) 105-Final

A stable focus due to the feedback inhibition.
B. An unstable focus due to the feedback excitation.
C. Bifurcation due to the change of input current
D. Bifurcation due to the activation of potassium channels.

查看答案

下列哪一项不是外毒素的特点

A. 可制成类毒素 B. 化学成份为蛋白质 C. 抗原性弱 D. 毒性强

白喉棒状杆菌产生外毒素是因为其基因发生了

是吃饭的

Which of the following statements does not correctly describe the architecture of the decision making model introduced in the part 30? 102. (part 30, medium) 105-Final

In the working memory model introduced in the part 29, the encoding and erasing of working memory can be described by which of the following mechanisms in the theory of dynamical systems. 100. (part 29, difficult) 105-Final

A. 可制成类毒素
B. 化学成份为蛋白质
C. 抗原性弱
D. 毒性强