Prokaryotes

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Author:
joaniet22
ID:
207198
Filename:
Prokaryotes
Updated:
2013-03-14 02:45:01
Tags:
prokaryotes bacteria
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Description:
Biol 2 Lab 1
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  1. Prokaryotic Cells

    What general characteristics and structures are found in the clade prokaryotes?
    • single circular chromosome
    • ribosomes (70s)
    • cell wall made of peptidoglycan
    • no membrane-bound organelles
  2. Prokaryotic Cells

    When did the first prokaryote appear in the fossil record?
    3.5 billion years ago
  3. Prokaryotic Cells

    What form did the first Prokaryote take?
    Stromatolites
  4. Prokaryotic Cells

    How long were Prokaryotes on Earth by themselves?
    1.4 billion years
  5. Prokaryotic Cells

    Where are Prokaryotes found?
    They are present in most habitats on the planet.

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