Overview: A Borrowed Life Viruses called bacteriophages can infect and set in motion a genetic takeover of bacteria, such as Escherichia coli Viruses lead “a kind of borrowed…

Slide 1 CHAPTER 19 VIRUSES 1 1 OVERVIEW 2 Viruses called bacteriophages can infect and set in motion a genetic takeover of bacteria, such as Escherichia coli Viruses lead…

Chapter 19~Viruses Viral structure Virus: “poison” (Latin); infectious particles consisting of a nucleic acid in a protein coat Viruses are not cells Capsid; (protein…

Chapter 19 Viruses Microbial Model Systems Are viruses living organisms? Maybe The origins of molecular biology lie in early studies of viruses that infect bacteria T4 bacteriophage…

Viruses Gene Regulation results in differential Gene Expression, leading to cell Specialization Structure of Viruses Viruses are not cells A virus is a very small infectious…

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 In the late…

Chapter 19 Viruses Microbial Model Systems Are viruses living organisms? Maybe The origins of molecular biology lie in early studies of viruses that infect bacteria T4 bacteriophage…

WHAT DOES IT MEAN TO BE ALIVE? Are the tiny viruses infecting this E. coli cell alive? 0.5 mm “I’D LIKE TO INFECT YOU WITH MY DNA” (VIRAL REPRODUCTION) ;) VIRAL VIDEO…

Objective: Viruses Fig. 19-2 RESULTS 1 2 3 Extracted sap from tobacco plant with tobacco mosaic disease Passed sap through a porcelain filter known to trap bacteria Rubbed…

Overview: A Borrowed Life Viruses called bacteriophages can infect and set in motion a genetic takeover of bacteria, such as Escherichia coli Viruses lead “a kind of borrowed…