PPT-CHARACTERISTICS OF VIRUSES

Are Viruses Living or Nonliving Biologists consider viruses to be nonliving because Are not cells Do not grow or respond to their surroundings Cannot make food take in food or produce wastes. What makes something non-living?. Turn in:. 1. Scientific Method Homework. Word break down. What does “bio” mean?. What is a biography?. What does it mean to write your . instagram. bio?. What does “-. DNA Enveloped . Viruses. I. Objectives. In this lecture you will learn about properties, pathogenesis, clinical picture and diagnosis of: . Herpesviruses. . (HHVs 1 to 8). Poxviruses. Smallpox Virus. copyright cmassengale. 2. Are Viruses Living or Non-living?. Viruses are both and neither. They have . some properties of life but not others. For example, viruses can be killed, even crystallized like table salt. HIV infected T-cell. Viral Structure. not . cells. small . infectious particles . w/. DNA or RNA enclosed . in a protein coat . (capsid). in . some cases. , a membranous envelope. Viral Genomes. genomes . Are Viruses Living or Non-living?. Biologists consider viruses to be non-living because:. Are not cells. Do not grow or respond to their surroundings. Cannot make food, take in food, or produce wastes. EQ: Why are viruses considered to be non-
living?. Characteristics:. *Nonliving particles made of . nucleic acid. and a . protein coat . enlosed in a . capsid. shell... *In order to reproduce, all viruses must have a . 8.1 What Is a Virus? Plus 9.1, 9.2 (parts). 8.2 Structure of the Virion. 8.3 Overview of the Virus Life Cycle. 8.8 . Temperate Bacteriophages and . Lysogeny. 8.10, 9.6, 9.7 Overview of Animal Viruses. -It’s not a plant or an animal.. -It’s not a fungi, protist, or bacteria.. WHAT IS A VIRUS?. A virus is an . infectious. agent made up of . nucleic. acid (. DNA. or . RNA. ) wrapped in a . protein. 17. Classification of Life. 2. What am I???. What is my . name???. Why Classify?. 1.There are _______ known species of organisms. 2.This is only __________ organisms that ever lived!!!!!. 3.___________are still being found and identified. Draw the basic structure of a virus. Label and define capsid, viral envelope and nucleic acid.. Ch. 17 Warm-up. Draw the lytic/lysogenic cycle.. What stage of the lytic-lysogenic cycle is a virus virulent? Temperate?. 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. Pg. 65. Title: Virus Structure. Date 2/3/2016. EQ: How are viruses put together and how do they differ from cells?. www.A6training.co.uk. End. No longer accepted. :. Cladogram HW. Shark WS. Fungi WS .