Bio_T3

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Author:
hitomifrn
ID:
47754
Filename:
Bio_T3
Updated:
2010-11-06 19:16:57
Tags:
domains biology
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Description:
Diversity of Life to Animals their types and importances
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  1. The three domains of life are
    bacteria, archaea, and eukarya
  2. Prokaryotes can be described as
    no membrane bound organelles, like nucleuses

    circular DNA

    Cell division by binary fission

    no cytoskeleton or microtubules
  3. Prokaryotes are about 4 billion years old.
  4. Prokaryotes can be found in all habitats on earth.
  5. Prokaryotes can do lateral gene transfer between individuals of
    other species, their own, and even betweeen diferent domains
  6. What kind of cell shapes are there?
    Cocci - circular, blocks, chains

    Bacilli - bar shaped, chains

    Helical - Spirical or spinning, single/chains

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