Scapepicture
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Discuss with reference to Prokaryotes, the reasons why classification systems are not universally accepted and why they change over time
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user152713
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Because stuff happen.
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Sigma5116
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Its because in prokaryotes horizontal gene transfer occurs. In other words DNA can be passed between different species via pili rather than going through daughter cells like the eukaryotes.
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Sigma5116
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http://en.wikipedia.org/wiki/Horizontal_gene_transfer
this might help you.
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Archjana
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A bit late, but for others who need the answer to this:


17. scientific knowledge changes as new discoveries are made / AW;
technological developments lead to new discoveries;
named technological development; e.g. microscopes, new DNA technology
ref. (legitimate) differences of opinion amongst biologists/scientists /taxonomists;
ref. true bacteria (bacteria) and archaea;
ref. differences between bacteria and archaea; e.g. different RNA
polymerase, membrane structure, flagellae, histones
AVP; e.g. other relevant detail of prokaryotes max 4
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