PPT-VIRUSES And PRIONS

STRUCTURE A core nucleic acid DNA or RNA Nucleic Acid surrounded by a protein called a capsid CLASSIFICATION By genomes DNA viruses RNA viruses or retroviruses any of a group of RNA viruses that insert a DNA copy of their genome into the . Chapters 12 and 13. Viral Characteristics and Structure. Why Viruses aren’t Alive. General Characteristics of Viruses. Name derives from the Latin for “poison”. Obligatory intracellular parasites. Other . Acellular. Infectious Agents. 1. 6. Copyright © McGraw-Hill Global Education Holdings, LLC. Permission required for reproduction or display.. Acellular. Agents. Viruses . – protein and nucleic acid. 1. A program that attaches itself to another . executable. (a . host program. ). Whenever the host program is executed, virus code is ran and it can make a copy of itself and infect other executables found in your memory or hard drive. A. Viruses are a unique group of biological entities. 1. They are not capable of surviving without a host cell (lack metabolic machinery). 2. They do, however, contain all the information necessary to direct metabolic processes. Invasive Diseases. Infectious Disease. Also known as . Contagious Disease. Communicable Disease. Transmissible Disease. Caused by a pathogen that causes disease. Not all infections cause disease that can be transmitted. Bacterial Infections. Colonization by harmful bacteria. Using the body as resources to grow and reproduce. Battled by the immune system. Different numbers of bacteria needed to overwhelm the immune system and cause infection. Folder Title: . CxVirus. (. NoTP. ). Updated: April 12, 2017. See Chapter 3, Weinberg, 2. nd. Edition pages 71 to 102. Importance of Virology to. Cancer Biology and Cancer Medicine. Need to Control Potentially Infectious Exposure. . Copyright © Houghton Mifflin Harcourt Publishing Company. Unit 2. . Lesson 1 . Archaea, Bacteria, and Viruses. Sized Extra-Small. Copyright © Houghton Mifflin Harcourt Publishing Company. All living things are either prokaryotes or eukaryotes.. Prusiner. MD. 1942-present . KUMC Neurology Morning Report. Richard J. Barohn, MD. May 8, 2017. Stanley B. . Prusiner. Biography. YEAR. ACHIEVEMENT. 1942. Born in . Des Monies IA. 1896 Grandfather emigrated from Moscow to Sioux City, IA. VOCABULARY. Virus. Capsid. Envelope. Human . Immunodeficiency Virus (HIV. ). Influenza. Lytic Cycle. Lysogenic Cycle. Lysis. Retrovirus. Prerequisite questions. What are the eight characteristics which all living things have in common. Defiana. . Arnaldy. , . M.Si. 0818 0296 4763. deff_arnaldy@yahoo.com. Overview . Introduction . Trojan . Backdoors. Viruses. Worm . Introduction . Trojans and backdoors are two ways a hacker can gain . DNA . is a molecule in your cells’ nuclei that can be . used as instructions by your cells . to make new cells, and pigments for your hair and skin.. What is DNA again?. The DNA instructions are really a pattern of 4 different chemicals read as a code by the cell’s nucleus.. . . The process of transfer of virus into host is referred as . TRANSMISSION. and this is an important step in the life cycle of viruses.. Person to person infections are said to be . HORIZONTAL. . As a group discuss for 1 minute. Be able to defend your answer for the class!. Are . VIRUSES. alive?. Growth and Development. Reproduce. Change Over Time. Obtain and Use Energy. Maintain Homeostasis.