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Article: Eukaryotes
- Article from:
- World of Microbiology and Immunology
CopyrightCOPYRIGHT 2003 The Gale Group Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Eukaryotes
Eukaryotic organisms encompass a range of organisms, from humans to single-celled
microorganisms
such as
protozoa
. Eukaryotes are fundamentally different from prokaryotic microorganisms, such as
bacteria
, in their size, structure and functional organization.
The oldest known eukaryote fossil is about 1.5 billion years old. Prokaryote fossils that are over 3 billion years old are known. Thus, prokaryotic cells appeared first on Earth. The appearance of eukaryotic cells some 1.5 billion years ago became possible when cellular function was organized into regions within the cell called organelles.
The eukaryotes are organized into a division of life that is designated as ...
Related newspaper, magazine, and journal articles:
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Article: Massachusetts Inventors Develop Eukaryotic Cells ...
US Fed News Service, Including US State News;
February 19, 2007 ;
582 words
... ... S. Patent & Trademark Office, the invention relates to "methods and compositions for modulating movement of eukaryotic cells with migratory capacity. More specifically, the invention relates to methods and compositions for modulating movement ...
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