2) A phage virus is a type of virus which infects bacterias or archaebacteria and replicates with in them
3) It is usually obtained from host cell membrane. Phospholipids and proteins of the host cell membrane are utilized to synthesise viral envelope
Chapter 13: Characterizing and Classifying Viruses, Viroids, and Prions Read pp. 385-391; MICRO CHECK page 391:...
difinitions of each word Chapter Thirteen Viruses, Viroids and Prions General Characteristics of Viruses: Obligate intracellular parasites: Host range: Bacteriophages (phages): Phage therapy: Viral size: Viral structure (Virion): Nucleic acid: Capsid: Capsomeres: Envelope: Spikes: Enveloped viruses: Nonenveloped viruses: Morphology: Helical viruses: Polyhedral viruses: Complex viruses: Taxonomy of viruses:
Read pp. 396-400, MICRO CHECK page 400: 10. Which part of animal viruses is involved in membrane fusion with a host cell? 13. How do negative-sense single-stranded RNA (-SSRNA) viruses generate mRNA? Read pp. 405-407; MICRO CHECK page 407: 16. How can prions be destroyed?
Read pp. 405-407; MICRO CHECK page 407: 16. How can prions be destroyed? Chapter 25: Pathogenic RNA Viruses Read pp. 750-757; MICRO CHECK page 757: 9. What is the first step in the synthesis of dsDNA from +SsRNA by reverse transcriptase? 11. How is the +RNA genome of HIV used differently than genomes of other +5SRNA viruses?
Chapter 25: Pathogenic RNA Viruses Read pp. 750-757; MICRO CHECK page 757: 9. What is the first step in the synthesis of dsDNA from +SsRNA by reverse transcriptase? 11. How is the +RNA genome of HIV used differently than genomes of other +RNA viruses? 12. What are the functions of the HIV glycoproteins gp120 and gp41?
Read pp. 223-230; MICRO CHECK page 230: 17. What kind of gene transfer between bacterial cells in the same generation utilizes the help of a virus? 18. How does transposition differ from other recombination events?