PPT-Bacteria & Viruses

What are the characteristics of viruses Bacteria What kingdom do each of these belong Are they living Why or why not Kingdoms Eukar What do you already know What are the differences between viruses and bacteria. A . virus. is a small . infectious agent. that can replicate only inside the living cells of organisms. Most viruses are too small to be seen directly with a . microscope. . Viruses infect all types of organisms, from . Introduction. What do we know about? . Size?. (. animace. ) . Invisible with naked eye. Structure?. Cells (bacteria, fungi, protozoa). Acellular. particles (viruses). Where are microbes found?. Everywhere: . . 19, . Ch. 23, and more . Bacteria & Virus Overview. Interesting stuff!. We live with bacteria and viruses constantly, but most people don’t know much about them.. In this chapter we learn both the good and bad of each. Days . W. ork . in Biotech. Steven . Pincus. , AVP Virology and Analytical Development. Cari. . Sadowski. Associate Principle Scientist Group Leader Virology. Health . Science Teachers Conference . Pages 476 - 495. A Rhinovirus . The Flu. What is a Virus??. Non-living particles that can’t reproduce. nucleic . acids . (DNA or RNA) . enclosed . in a protein coat . Smaller than the smallest bacterium . -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. -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. Microbes. Bacteria are single-celled organisms. Bacteria have the tools to reproduce themselves, by themselves. They are filled with fluid, and may have threadlike structures to move themselves, like a tail.. Chapters 27 and 19. YOU MUST KNOW. The key ways in which prokaryotes differ from eukaryotes with respect to genome, membrane-bound organelles, size, and reproduction. How horizontal acquisition of genetic information occurs in prokaryotes via transformation, conjugation, and transduction. VIRUS. IN . YOUR . NOSE. Look out, you’re surrounded! Bacteria and viruses are all around us….. Examples:. Bacteria Used in Food Making. Bacteria used in Digestion (. E. coli. ). Some bacteria cause disease (pathogenic). arboviruses. ) are viruses that can be transmitted to man by arthropod vectors. . Arboviruses. belong to three families:. Togaviruses. . Bunyaviruses. e.g. . Sandfly. Fever. .. Flaviviruses. e.g. Yellow Fever, dengue, Japanese Encephalitis. . . 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. ANSWERS CAN BE FOUND IN CHAPTER 19 SECTION 2 on VIRUSES (you need to look at the WHOLE SECTION).. HELPFUL START PAGE= 474. Bacteria & Viruses . What’s the difference??. A little review…. A little review….