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Bacteria are prokaryotic cells ­ they do not have a nucleus, lack membrane bound organelles, and do not produce a spindle during cell division.

Bacteria produce asexually by binary fission; after replication of their DNA they divide into two identical cells.

They have MESOSOMES: infolding of the…

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LYSIS: When viruses hijack the host cell's biochemistry, the normal working of the cell is disrupted. After reproducing inside the host cell, new
virus particles bud from the surface, splitting the cell open. Splitting kills the cell.

Both bacteria and viruses that cause disease are known as pathogens.


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