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Viruses, Dead or Alive?
Transcript of Viruses, Dead or Alive?
2. living organisms are made up of levels of organizations- no, viruses are not made of cells , they inhabit cells but they themselves have no levels of organization.
3. energy is used by living things-No, to use energy, an object has to have metabolism, and viruses are non-living, which means that they don't have metabolism
4. living things respond to their environment- yes because they interact with the cells that they are inhabiting.
5. growth is found in living things- A single virus particle, grows in numbers when it is inside a living cell but the virus itself does not grow.
6. live things can reproduce- No, viruses can create more of itself through the living cell it occupies but it can not mate with another virus or have Asexual offsprings, that's just silly.
7. living things adapts to their environment- yes, viruses can adapt to cells condition by getting stronger and more resistant to conditions After debating and consulting the 7 characteristics of life, Daniel and I have decided that Viruses are not alive but show some signs of life when occupying a cell.
Conclusion DEAD! Variations of Viruses By Daniel Kellen and Michael Ernberger No Age: Viruses themselves cannot age Reproduce:Viruses themselves cannot reproduce, they require a living animal cell Eat: Viruses have no metabolism so that have no need to eat. Nutrients: nutrients are a need and Viruses do not need them. Color: Viruses are too small to identifie color Energy: Viruses have no metabolism so they can not produce energy. Yes Organic Tissue: Viruses are made from Organic Tissue. More than one: their are billions of viruses. Habitat: Viruses do have a habitat , which is a cell. Can brake: Viruses, as small as they are, are able to break . "Viruses by themselves are not alive, and they cannot multiply on their own, but they need to enter a human or animal cell in order to be able
to multiply." ( Dr. Ananya Mandel). A professional view 1. First, the rule nutrients is not a characteristic of life also you need nutrients you aren't nutrients.
2. For Reproduction it should change to, reproduces without a hosts body. 2. Viruses have no cells walls
3. Viruses may have R.N.A or D.N.A
4.Viruses do not make their own food.
5 A virus can stay inside a cell without damaging the body. That is called its Lysogenic phase, it comes into effect when stimulated. Conclusion There are many types of viruses. So many that there are viruses still being discovered today. Here are some common viruses and there effects on humans. HIV/Aids The some symptoms of this virus are, rashes,night sweating, headaches, muscle soreness, and Diarrhea. Smallpox A major symptom of Smallpox are,red dots that cover your body, become blisters that then fill with pus. The common cold Leukemia Some symptoms of the common cold are runny nose, sore throat, and coughing. Some symptoms of Leukemia are,losing weight without trying, bone tenderness, and persistent fatigue. You also can bleed or bruise easily, have frequent infections, or have constant fevers or night sweats. Bibliography Abedon, Stephen T. Virus Types. 22 4 98. 17 4 2013 <http://library.thinkquest.org/CR0212089/virus.htm>.
CDC. "History of Aids/HIV." 1984. Wikipedia. 17 4 2013 <http://en.wikipedia.org/wiki/File:HIV-budding-Color.jpg>.
"Cold Virus Genome Reavealed." 2013. MIT technology Review. 17 4 2013<http://www.technologyreview.com/view/412034/cold-virus-genome-revealed/>.
Davidson, Michael W. "Viral Structure." 10 May 2005. Molecular Expressions. 17 April 2013<http://micro.magnet.fsu.edu/cells/virus.html>.
Education Foundation. Viruses. 17 April 2013
.Hunting for Viruses. 11 Oct 2012. 17 4 2013 <http://www.egi.eu/cms/casestudies/hunting_for_viruses.html>
.Knightly, Russel. Small Pox Virus Structure. Science Photo Library. Small Pox Virus Structure Art Work. n.d.
Mayo CLinic staff. 2013. Mayo Clinic. 17 4 2013 <www.mayoclinic.com/health/hiv-aids/DS00005/DSECTION=symptoms>.
National Cancer Institute. What you need to know about Leukemia. 17 4 2013 <http://www.cancer.gov/cancertopics/wyntk/leukemia/page5>.
The 7 characteristics of life. 17 April 2013 <http://infohost.nmt.edu/~klathrop/7characterisitcs_of_life.htm>.