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Viruses and Bacteria

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Viruses are ----- particles.   microscopic  
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What do viruses do to cells?   invade and destroy them  
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Viruses are made up of what?   genetic material and a protein coat  
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Viruses are parasites. What is a parasite?   an organism that lives in or on another organism and benefits by taking in nutrients at the host's expense  
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Are Viruses living?   no  
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What are two living traits of a virus?   1. have genetic material 2. Can reproduce  
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Do viruses have cells?   no  
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Where is the only place viruses can reproduce?   inside living cells  
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What are the five steps in a viruses reproduction and what happens in each step?   adsorption- virus attaches itself to the cell,entry- virus enters the cell and some of it's genetic material,replication- cell reproduces and makes copies of the virus4.assembly- the copies assemble and create many viruses,release- virus destroys the cell  
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What are six diseases caused by viruses?   measles, influenza, mumps, cold, flu, and polio  
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What insect causes yellow fever?   mosquitoes  
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What does HIV stand for?   Human immunodeficiency virus  
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HIV causes AIDS. What does AIDS stand for?   Acquired immune deficiency syndrome  
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What does the T-cell(white blood cell) do?   it fights infections found in the body  
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How does HIV cause AIDS?   it destroys the T-cells  
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What does a person have if their number of T-cells fall bellow a certain level?   Full blown AIDS  
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What are the five ways HIV can be transmitted?   1. Mother to unborn child 2. IV drug use 3. blood transfusion 4. exchange of bodily fluid(blood) 5. unprotected sex  
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What are cocktails?   a treatment for AIDS  
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What is a viral disease?   a disease caused by a virus  
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What is the only defense against viral diseases?   a healthy and strong immune system  
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What do vaccinations do?   build up your immune system  
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What do vaccinations contain?   the virus or other disease causing agent that are dead or weakened  
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Viruses cause the body to form antibodies. What do antibodies do?   protect against further infection  
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When was the last case of small pox in the U.S.   1949  
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What is the most dangerous group of viruses?   Filovirus  
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What do filoviruses do?   produce outbreaks of hemorrhagic fever  
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What does hemorrhagic fever do?   attack connective tissues, which causes massive bleeding  
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What is an example of hemorrhagic fever?   Ebola virus  
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