1. Virus 構造 DNA or RNA Protein 病毒的區分 依外觀區分 依遺傳物質區分

3. Figure 17.01

5. How are virus get into cells ?

6. Bacterial virus

7. Influenza virus

8. Types of genetic material in different virus Double-stranded DNA Single-stranded DNA Double-stranded RNA Single-stranded RNA (+)sence RNA (-)non-sence RNA

10. Bacteriophage lambda

12. Baculovirus 對特定寄主有極高的致病力與專一性，其宿 主侷限於昆蟲及部分甲殼類動物 桿狀病毒包括 核多角病毒（ nuclear polyhedrosis virus ， NPV ） 顆粒體病毒（ granulosis virus ， GV ）

13. Baculovirus ( 續 ) Double-steand,circular DNA 80-200kb size Accommodate an additional 100kb or more of foreign DNA Two types of virions Polyhedra –derived virion (PDV) Budded virion (BV)

14. Baculovirus ( 續 )

15. Baculovirus 的感染機制

16. HIV

17. Polioviurs Naked virion (+)single-strand RNA Producing an RNA replicase Polyprotein

18. Influenza virus

19. THE END