5 Viruses released!

1. Host cell produces viral proteins & viral DNA.

2. New viruses assemple in host cell.

3. Lysis occurs: New viruses released from host cell.

4. Viruses infect new host cell.

5. Lytic Pathway

6. Viruses

7. Viral Genes

8. Cell

9. New genes

10. Viral Replication

11. Protein Coat

12. Viral DNA incorporated in host chromosome as prophage.

13. Chromosome replicates as cell divides.

14. Cells carry integrated viral DNA.

15. Lysogenic Pathway

16. Host cell

17. 1. Attachment - virus binds cell surface receptor.

18. 2. penetration - virus penetrates cell & release its DNA.

19. 3. Synthesis - host transcribes & translates viral DNA as if it were its own.

20. 4. Assembly - NEW VIRUSES!

21. Genes

22. Proteins