Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Bacteriophage wikipedia , lookup
Viral phylodynamics wikipedia , lookup
Negative-sense single-stranded RNA virus wikipedia , lookup
Ebola virus disease wikipedia , lookup
Plant virus wikipedia , lookup
Introduction to viruses wikipedia , lookup
Social history of viruses wikipedia , lookup
Oncolytic virus wikipedia , lookup
History of virology wikipedia , lookup
Virus quantification wikipedia , lookup
What is a virus? Take notes if in red. Listen and ask questions about other colors • Word of the Day: • Pathogen= an organism or particle that causes disease Virus • You heard about ebola virus • You know about the influenza virus and the AIDS virus. • Did you know they are also using viruses to cure cancer and other disease.hg What is a virus? Fun Fact: More than 3,000 Polio viruses could fit end to end - in a straight line - across the period at the end of this sentence. Background • First virus identified in 1892- why so late???? • Millions of different kinds • Are found everywhere • Once were thought to be alive, but in 1935 shown to be non-living Viral Diseases • Hepatitis • HIV/AIDS Rabies Measles • Meningitis • Mononucleosis • West Nile • Ebola • Influenza-The Flu Herpes Chickenpox Colds Characteristics • Definition of Virus: • Viruses have a core of nucleic acid (genetic information) surrounded by a protein coat. Picture • Nucleic acid core (DNA or RNA) • Protein coat (capsid) How do they reproduce? • Can’t grow or replicate on their own • but can reproduce in another cell (host cell). What size are they? Extremely small – smaller than bacteria and human cells Virus Animation • http://www.youtube.com/watch?v=Rpj0emEG ShQ How does a virus attack? (Level 2/3) Is a virus alive? Assignment : Make a virus and show it attack a cell • Make 1 virus • 1 cell- label cell membrane, nucleus and cytoplasm • Virus parts inside the cell Bacteriophage Virus