高中生物 病毒
Quiz
•
Biology
•
10th - 12th Grade
•
Medium
ET CHNG
Used 52+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
下列有关病毒结构的叙述,
合理的是_____。(选两项)
病毒也是一种生物,因为它有基本的细胞构成
植物病毒不能攻击动物,因为病毒的侵染具有专一性
病毒没有细胞结构,由蛋白质外壳和内部的遗传物质组成
大肠杆菌噬菌体有纤毛,靠它完成运动
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
此次新冠病毒含有的核酸
是_______。
DNA和RNA
DNA或RNA
DNA
RNA
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
HIV是一种包膜的RNA病毒,
当它进入人体后,
能被抗体所识别的部位是_____。
RNA
刺突
包膜
衣壳
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在溶原循环中,病毒进入细胞后,
病毒_____。
形成前病毒
复制
死亡
变得没有活性
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
某种RNA病毒在增殖过程中,其遗传物质需要经过某种转变后整合到真核宿主的基因组中。物质Y与脱氧核苷酸结构相似,可抑制该病毒的增殖,但不抑制宿主细胞的增殖,那么物质抑Y制该病毒增殖的机制是________________。
抑制该病毒RNA的转录过程
抑制该病毒蛋白质的翻译过程
抑制该RNA病毒的逆转录过程
抑制该病毒RNA的自我复制过程
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
假如利用噬菌体X的DNA和噬菌体Y的衣壳组装出噬菌体Z,再让噬菌体Z侵染宿主细胞,则子代病毒具有_____。
X的衣壳和X的DNA
X的衣壳和Y的DNA
Y的衣壳和X的DNA
Y的衣壳和Y的DNA
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如果用32P和34S分别标记病毒的DNA和蛋白质,让其侵染其宿主细胞,其子代将含有什么放射性同位素?
34S
32P
34S和32P
两者皆无
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