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SCIENCE BOTANY PPT FOR PG STUDENTS NOTES
- 1. DS DNA VIRUSES DS RNA VIRUSES Submitted by: Soundarya. D. M.Sc Botany First Semester Guru Nanak First Grade College, Bidar.
- 2. What is a virus? ‘Infectious particle’ Genetic material Protein coat
- 3. Properties of a virus A virus is a very small, infectious, obligate intracellular parasite Virus particles are not living Viruses are chemicals, and by themselves cannot reproduce A susceptible and permissive cellular host is needed for viruses to reproduce All viruses must make mRNA that can be translated by host ribosomes
- 6. DNA RNA OR + Basic virus structure DNA RNA OR +
- 7. DNA RNA OR + Capsid Protein Basic virus structure DNA RNA OR + Capsid Protein
- 8. DNA RNA OR + Capsid Protein Basic virus structure DNA RNA OR + Capsid Protein
- 9. Basic virus structure DNA RNA OR + Capsid Protein Nucleocapsi d DNA RNA OR + Capsid Protein
- 12. Basic virus structure DNA RNA OR + Capsi d Protei n Nucleocapsi d DNA RNA + Capsi d Protei n = +
- 13. Basic virus structure DNA RNA OR + Capsi d Protei n Nucleocapsi d DNA RNA + Capsi d Protei n = + Lipid membrane Glycoproteins
- 14. Basic virus structure DNA RNA OR + Capsi d Protei n Nucleocapsi d DNA RNA + Capsi d Protei n = + Lipid membrane Glycoproteins Enveloped virus
- 16. Attachment
- 17. Attachment: tropism Lock and key
- 18. Penetration
- 19. Disassembly
- 26. Release
- 27. Retroviruses
- 28. Outcome of cellular infection
- 29. Immune response Cell mediated immunity ◦ Important in the recovery from viral illness Antibodies ◦ Important in the protection from repeat exposure