Bacteria1
As hard as it is to believe, bacteria (also known to scientists as Bacillus, thuringensis) are everywhere; on your hands, on door handles, there’s even thousands bacteria on the period at the end of this sentence (That’s how small they are). Bacteria have been around for about 3.5 billion years. They were the first life forms on earth and more numerous then any other species we know of. Yet, while they are extremely common, they are also very small. Bacteria can only be seen with microscopes and are usually less then one micron (0.00002 inches) in length. Before I can explain how bacteria affect our world, you need to know more about them. Basically, bacteria are numerous, unicellular organisms that don’t contain a nucleus and consist of a capsule and a cell membrane made of peptidoglycan (that’s a protein-sugar molecule). Like all cells, bacteria contain DNA, but the DNA in bacteria is different then other organisms, see it’s arranged in a single circular chromosome while most cells have several rod shaped chromosomes. Some bacteria also have flagella. This assists the bacteria in moving by beating in a propeller-like motion. Bacteria can be classified in many different ways. Because of their simple cells structure they fit
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Some common words found in the essay are:
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Approximate Word count = 1389
Approximate Pages = 6 (250 words per page double spaced)
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