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…

Fig. 19-1 0.5 µm Copyright © 2008 Pearson Education Inc., publishing as Pearson Benjamin Cummings Concept 19.1: A virus consists of a nucleic acid surrounded by a protein…

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…

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…

Prokaryotes Eukaryotes Virus Functions of the three parts of an operon Role of repressor genes in operons Impact of DNA methylation and histone acetylation on gene expression…

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…

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…

Viruses of Bacteria Chapter 13 General Characteristics of Viruses Non-living entities Not considered organisms Can infect organisms of every domain All lifeforms Commonly…

Chapter 19 Chapter 19 Viruses 1 Overview: A Borrowed Life Viruses called bacteriophages infect genetically takeover bacteria, like E. coli Viruses have borrowed life- between…

Chapter 19: Viruses Chapter 19: Viruses Chapter 19 We will only cover sections 19.1 and 19.2 in Chapter 19: Viruses. Complete the Concept Check questions for section 19.1…