19 lecture viruses
Chapter 19 Presentation
CHAPTER 19 VIRUSES 1. OVERVIEW 2 Viruses called bacteriophages can infect and set in motion a genetic takeover of bacteria, such as Escherichia coli.
Chapter 19~Viruses. Viral structure Virus: “poison” (Latin); infectious particles consisting of a nucleic acid in a protein coat Viruses are not cells.
Chapter 19 Viruses. Microbial Model Systems Are viruses living organisms? –Maybe The origins of molecular biology lie in early studies of viruses that.
VIRUSES Chapter 19. What is a virus? A virus is a submicroscopic infectious particle composed of a protein coat (capsid) and a nucleic acid core (either.
Viruses Gene Regulation results in differential Gene Expression, leading to cell Specialization.
Chapter 18: Viruses and Bacteria
Viruses – Ch. 9 in Cliffs, pg. 135. The Discovery of Viruses Tobacco mosaic disease stunts growth of tobacco plants and gives their leaves a mosaic coloration.
Chapter 18 The Genetics of Viruses and Bacteria. Recall that bacteria are prokaryotes – With cells much smaller and more simply organized than those of.
Chapter 19
Overview: A Borrowed Life Viruses called bacteriophages can infect and set in motion a genetic takeover of bacteria, such as Escherichia coli Viruses lead.