According to Webster,  bacteria   ar defined as ?microscopic, unicellular organisms? they whitethorn be small  notwithstanding  ass be  erect in e genuinely environment or  home ground in our k nown world and exis disco biscuitce.  They  be the  centre by which  whatsoever life exists,  well-nigh people  chance sick, the way  sealed things smell the way they do and so much  much both harmful and beneficial things  commit upon the presence and existents of bacterium.  What we now know and classify as bacteria was first seen by Anton Leeuwenhoek in the late 1600?s and  afterward refined into  certain(prenominal) classifications and structures in the early to mid 1800?s by Ehrenberg (Wiki). Bacteria are living things that are neither plants nor animals, but  locomote to a group by themselves; ?they are  sort out as prokaryotic cells beca do they  subscribe no  burden? (Text Book p64). They have  unrivaled chromosome of  two-bagger-stranded DNA in a ring. They reproduce  generally by bin   ary fission: one cell  pass on grow to approximately double its normal size ten split into two  kindred cells commonly called daughter cells  apiece having the exact same genome  reference as the parent. Most bacteria completely lack or have very  hardly a(prenominal) internal membranes, which mean that they do  non have some of the organelles like mitochondria or chloroplasts.

 Most bacteria are  clement or beneficial such as the yeast we use in raising our bread, and only a few are pathogens such as E-coli. They are very small, individually not more than a single cell,  except they are  unremarkably seen as millions combined,    and very few can be seen by the unassisted !   eye such as the common  colored green ?algae? found in many ponds and water system bodies.  The only way we are able to see those are the colonization of millions of the single celled individuals. For bacterium to grow and develop they must...                                        If you  need to get a  proficient essay, order it on our website: 
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