HomeCoursesMEDSCI 202: Microbiology and ImmunologyLecture 23 Lecture 23 1. What are the characteristics of viruses? Cannot make proteins or energy, do not replicate by division (assembled), require hostWhat are the characteristics of viruses?== Cannot make proteins or energy, do not replicate by division (assembled), require host 2. How are viruses classified? Structure, made of replication, disease, transmission, host cell, tissue/organ, family, locationHow are viruses classified?== Structure, made of replication, disease, transmission, host cell, tissue/organ, family, location 3. What are the components of a virus? DNA/RNA, capsid, envelope, cellular glycoproteinsWhat are the components of a virus? ==DNA/RNA, capsid, envelope, cellular glycoproteins 4. Describe the capsid assembly? Polyhedral, helical, nakedDescribe the capsid assembly?== Polyhedral, helical, naked 5. What is the naked capsid stable to? Temperature, acid, detergent, drying, proteasesWhat is the naked capsid stable to? ==Temperature, acid, detergent, drying, proteases 6. What is the envelope virus stable to? Acid, detergent, drying, heatWhat is the envelope virus stable to?== Acid, detergent, drying, heat 7. What are the steps of a virus infecting a host?== Recognition, attachment, penetration, uncoating, transcription, protein synthesis, assembly, envelope and budding/no envelope and lysis 8. What are the steps to the growth cycle of a virus? Attachment, infection, latency, productionWhat are the steps to the growth cycle of a virus?== Attachment, infection, latency, production 9. What generates mRNA from DNA? DNA dependent RNA polarmeraseWhat generates mRNA from DNA? ==DNA dependent RNA polarmerase 10. What generates mRNA from +RNA? RNA dependent RNAWhat generates mRNA from +RNA?== RNA dependent RNA 11. Where does the virus obtain RNA polymerase RNA => ribosomes => -RNA => ribosomes => +RNA => RNA polymerase => mRNAWhere does the virus obtain RNA polymerase== RNA => ribosomes => -RNA => ribosomes => +RNA => RNA polymerase => mRNA 12. Where does the virus obtain RNA polymerase? Carried by virus => mRNAWhere does the virus obtain RNA polymerase?== Carried by virus => mRNA 13. What is the progression of viral disease? Acquisition, infection, incubation, replication, immune response, elimination and persistanceWhat is the progression of viral disease?== Acquisition, infection, incubation, replication, immune response, elimination and persistance 14. How are viruses transmitted? Airborne, food/water, fomites, direct contact, maternal neonatal, zoonosisHow are viruses transmitted?== Airborne, food/water, fomites, direct contact, maternal neonatal, zoonosis 15. What are examples of latent viral infections? HIV, herpes, varicellaWhat are examples of latent viral infections?== HIV, herpes, varicella 16. What are the examples of oncogenic viruses? HPV, epstein-barr virus, herpesWhat are the examples of oncogenic viruses?== HPV, epstein-barr virus, herpes 17. What are even simpler than viruses? Viroid (plants), prions (neurological diseases)What are even simpler than viruses?== Viroid (plants), prions (neurological diseases) Loading...
