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Compare and contrast bacteria and viruses. Provide at least two similarities and two...
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Middle School Teacher
Bacteria and viruses are two totally different organisms although they do share some commonalities.
Some comparisons are is they can both cause diseases and you need special microscopic equipment to see them. The differences far outweigh the differences.
One difference between the two is that bacteria contain ribosomes and viruses do not. Another difference is that bacteria can reproduce in many different places while viruses need a living cell to reproduce. There is also a huge difference is size. Bacteria are on average about 1,000 nanometers long while viruses are approximately 20-250 nanometers long. In addition, antibiotics will get rid of bacterial infections but antibiotics will not get rid of a viral infection.
Posted by besure77 on April 24, 2010 at 9:33 AM (Answer #1)
Both Bacteria and virus are single cell organisms of microscopic size. Both are able to exist by themselves. However there are some significant differences also between them. The major difference is that bacteria is able to reproduce by itself. However the virus is unable to reproduce by itself. The virus remains dormant when it exists by itself, but when is enters another cell it comes alive and is able to reproduce also.
In general virus are much smaller than bacteria. And they are so primitive form of life that some scientist prefer to classify virus as something between living and non-living things. Bacteria are clearly classified as living organisms.
Posted by krishna-agrawala on April 24, 2010 at 1:36 PM (Answer #2)
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