本题目来源于试卷: SL Topic C3.2 Defence against disease，类别为 IB生物学
[问答题]
7. Resistance to multiple antibiotics (Multires)2 4uec1ouc thrnhhme3dymi8t; (ms u4 bl5 -/istance) pz x wy)2zeq;7kl,2bgr7g 4vh is increasing in bacterial pathogen populations. Outline a reason for the increase in bacterial resistance and one way in which research may be able to develop new trealv 7 4y zkw;z2b,7eg2)rphqxgtments for bacterial infections.
参考答案: There is overuse of antibiotics in humans (and farm animals).
The greater the use of antibiotics, the greater the chance that bacteria will develop resistance. Resistance develops by natural selection. (2 marks max.)
Research is able to test new substances for antibiotic activity.
Substances with possible use as antibiotics may be found in living systems or in laboratories.
Chemical libraries can be searched for substances with a suitable structure or a structure similar to other known antibiotics. (for possible future us as antibiotics).
本题详细解析:
暂无
| 
