Chapter 14 Phage Strategies. 14.1 Introduction Bacteriophages are viruses that infect bacteria. Figure 14.CO: TEM of a T4 phage. © Dr. Harold Fisher/Visuals.
January 22, 2007 Chapter 18 Chapter 19 Problems, problems, problems Coming up…….. - Objectives for 22, 23, 24 on or before Friday -Abstract (peer reviewed.
Viruses. At the boundary of life, between the macromolecules (which are not alive) and the prokaryotic cells (which are), lie the viruses and bacteriophages.
Bacteria and VirusesSection 2 Section 2: Viruses Preview Bellringer Key Ideas Is a Virus Alive? Viral Structure Reproduction Viroids and Prions Summary.
VIRUSES VIRUS: (LATIN) REFERRING TO POISON AND OTHER NOXIOUS THINGS.
What is a Virus???. Viruses #1: Viruses possess genetic material (DNA or RNA)
Viruses – Cellular Pirates Adenovirus showing Varicella zoster virus icosahedral shape causes chickenpox Chicken Pox – contains an envelope – membrane.
Pages 476 - 495. Non-living particles that can’t reproduce nucleic acids (DNA or RNA) enclosed in a protein coat Smaller than the smallest bacterium.
Chapter 17 Review of “Classification”. Classification Grouping things according to similar characteristics, and separating them from others by differing.
Virus: A biological particle composed of nucleic acid and protein Intracellular Parasites: organism that must “live” inside a host What is a Virus?
Unit 5: Classification and Kingdoms Viruses. Viruses Viruses: infectious particles made up of nucleic acid, protein coat, and sometimes lipids Viruses:
Non-living entities Can infect organisms of every domain Commonly referred to by organism they infect Viruses that infect bacteria: Bacteriophage.