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Bacteria Bacteria How are bacteria classified according to modern taxonomy? Old System: All bacteria used to be placed in kingdom _________________ New System: There are two bacterial kingdoms: _________________ and ___________________. Archaebacteria live in _______________ environments (Ex: __________________ and _________________). They can make their own food by taking in __________________ from the environment and converting them to energy-rich molecules. Eubacteria are the “true bacteria”. They are mostly heterotrophs, but a few (ex: photosynthetic ____________________) are _________________. Heterotrophic bacteria can use _________________ (requires oxygen) or _________________ (does not require) respiration. How are bacteria classified according to modern taxonomy? Old System: All bacteria used to be placed in kingdom _________________ New System: There are two bacterial kingdoms: _________________ and ___________________. Archaebacteria live in _______________ environments (Ex: __________________ and _________________). They can make their own food by taking in __________________ from the environment and converting them to energy-rich molecules. Eubacteria are the “true bacteria”. They are mostly heterotrophs, but a few (ex: photosynthetic ____________________) are _________________. Heterotrophic bacteria can use _________________ (requires oxygen) or _________________ (does not require) respiration. Basic characteristics Cell # Basic characteristics Cell # Cell Type Cell Type Cell Shape Cell Shape Nutrition Nutrition Reproduction (see image to right) Reproduction (see image to right) Label the parts of the bacteria cell pictured below: flagellum, pillus, genetic material (nucleoid region), ribosome, capsid, cell wall, cell membrane Label the parts of the bacteria cell pictured below: flagellum, pillus, genetic material (nucleoid region), ribosome, capsid, cell wall, cell membrane What are some potential uses for bacteria? Bacteria can be used in genetic engineering. For example, the gene for human ___________ can be inserted into the bacterial ___________ (a circular chromosome). The bacteria will then produce the human insulin protein. Bacteria serve as __________________ (decomposers) by breaking down living and dead organic matter. What are some potential uses for bacteria? Bacteria can be used in genetic engineering. For example, the gene for human ___________ can be inserted into the bacterial ___________ (a circular chromosome). The bacteria will then produce the human insulin protein. Bacteria serve as __________________ (decomposers) by breaking down living and dead organic matter.