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Cellular Classification of Organisms

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on 4 February 2014

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Transcript of Cellular Classification of Organisms

Cellular Classification of Organisms
- Noticeably smaller cells than eukaryotes
Importance of Cellular Classification
It's Relationship to Biotechnology
Being multi-celluar eukaryotic organisms,understanding the cellular structure of known organisms allows for us to fight disease, manipulate genetic information, and even harness the production of different biomaterials.
Works Cited
- http://www.life.umd.edu/classroom/bsci424/BSCI223WebSiteFiles/ProkaryoticvsEukaryotic.htm
- "True Nucleus" (Nuclear membrane + Nucleoli)
- Membrane bound organelles
- Cells divide via Mitosis
- May undergo meosis to produce gametic cells for sexual reproduction
- Majority are Multicellular organisms
- Unicellular organisms
- No nucleus
- Absence of membrane bound organelles
- Multiple linear chromosomes + histones
- Single circular chromosome lacking histones
-Divide via bianary fission ( asexual reproduction)
Similar to Prokaryote
Similar to Eukaryote
Unique to Archaea
- No Nucleus
- No membrane bound organelles
- circular genome
- DNA compact with histones
- DNA replication similarities
(ex. Methionine and RNA poly.)
- Binary fission (Asexual)
- ether lipids in cell membrane
- Variant energy sources: Sunlight, sugar, ammonia, hydrogen gas)
- Particularly concentrated in ocean plankton
- Prokaryote: Plasmids (Human insulin production)
- Archaea: Methanogens ( Digestion & Sewage treatment)
- Eukaryote: Genetic modification and Selective breeding
- http://www.ucmp.berkeley.edu/archaea/archaea.html
- http://www.biology.arizona.edu/cell_bio/tutorials/pev
- Marrow, John. Eukarytic Cell Genetics. Elsevier. New York, 1983.
Endosymbiotic Theory
Full transcript