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Evolution of viruses
Introduction Origination of Viruses Viral Genomes Recent Discoveries Conclusion
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RNA Viruses
Introduction Class IV RNA Viruses Class V RNA Viruses Retroviruses (Class VI) The Replicative Cycle of HIV Conclusion In conclusion, RNA viruses that infect animals have a variety of RNA genomes, each with its own unique replicative cycle. From simple replicative cycles in class IV viruses to the complex replicative cycle of retroviruses, RNA viruses…
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Replicative Cycles of Animal Viruses
Introduction Viral Envelopes RNA as Genetic Material
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Discovery of Viruses
Introduction: Early Observations: Discovery of Tobacco Mosaic Virus (TMV): Discovery of Other Plant Viruses: Discovery of Animal Viruses: Discovery of Human Viruses: Conclusion:
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Structure of Viruses
Introduction Viral Genomes Capsids and Envelopes Conclusion
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Lytic Cycle
The lytic cycle is a process used by certain viruses to reproduce and spread. It involves the virus infecting a host cell, using the host’s cellular machinery to replicate itself, and causing the host cell to lyse or burst, releasing new viral particles. This cycle can cause significant damage to the host cells and tissues,…
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Lysogenic Cycle
The lysogenic cycle is a reproductive cycle used by certain viruses to infect and replicate within a host cell. During this cycle, the virus inserts its genetic material into the host cell’s DNA, becoming a dormant or latent infection. This period of dormancy allows the virus to evade the host immune response and persist within…
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Leishmania donovani
Leishmania donovani is a parasitic protozoan responsible for visceral leishmaniasis, a severe and deadly disease. Explore its morphology, life cycle, pathogenesis, and clinical manifestations in this comprehensive study. Understanding this parasite is crucial for effective treatment and prevention strategies.
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