![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Answer questions: 1. What is ACC? 2. Why some types of cells can not be cultured? 3. How does a cell-line form? 4. What results in a cancerous state? 5. What dose a media comprise in ACC? 6. What is the applications of ACC? 7. How is ACC applied in drug testing? 8. Comparing to the traditional concept, what are the advantages of ACC in vaccine producing?