Slide 1 Slide 2 Slide 3  Non-living entities  Can infect organisms of every domain  Commonly referred to by organism they infect  Viruses that infect bacteria:…

Slide 1 -Viruses- Are non-living particles. Most viruses are “pathogens”. Pathogens are disease-causing agents. Slide 2 Viruses are not Living Organisms 1.They are not…

Slide 1 Viral Life Cycles & Replication Slide 2 Key Terms: Virus Host cell  Viruses attack specific host cells.  They fit into specific surface receptors like a…

Slide 1 Slide 2 Slide 3 Virus: A biological particle composed of nucleic acid and protein Intracellular Parasites: organism that must “live” inside a host What is a Virus?…

Slide 1 Central Pollution Control Board Slide 2  29 cities, 70 towns and many villages:  Sewage disposal-a major cause of fecal coliform  Disposal of 3000 MLD sewage…

Slide 1 Unit 6--Microbiology Chapter 19 continued Slide 2 Viruses Hard to classify as living, because: Contain only a protein coat (capsid) and a nucleic acid core (DNA or…

Slide 1 Modelling the stability of Stx lysogens Slide 2 Lysis and Lysogeny Lambda and Stx are phages of E. coli They are temperate, i.e. can choose between lytic and lysogenic…

Slide 1 The Position of Viruses in the Biological Spectrum There is no universal agreement on how and when viruses originated Viruses are considered the most abundant microbes…

Slide 1 Viruses Slide 2 What is a virus? A virus is classified as a non-cellular particle made up of protein-covered genetic material that can invade living cells Viruses…

Slide 1 Viruses Slide 2 What are viruses? small, non-living, infectious particles containing genetic material in the form of DNA or RNA with a protein capsule, called the…