Microbiology Continues to Be an Important Research Field for All

Multiple Choice

Microbiology continues to be an important research field for all of the following reasons,except:

A) all infectious diseases have had vaccines developed and therefore can be prevented
B) many forms of genetic engineering depend on microorganisms
C) new and emerging diseases like AIDS need to be studied
D) microorganisms can be used as factories to cheaply produce drugs,hormones and vaccines