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16 Cards in this Set

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Microorganisms
Living things to small to be seen with the naked eye.
Scientific name
Nonmenclature system designed by Linnaeus and contains 2 names : Genus and Specific epithet.
Bacteria
Relatively simple unicellular organisms. Have different shapes
3 common shapes of bacteria
1. Bacillus (rods)
2. Coccus (sphere)
3. Spiral (corkscrew)
**Some uncommon shapes are stars and squares**
Prokaryotes
A cell whose genetic material is NOT enclosed in a nuclear envelope. Means prenucleus in Greek and includes both bacteria and archaea.
Peptidoglycan
Bacteria are enclosed in cell walls that are largely composed of a carb and protein complex.
Binary Fission
How bacteria reproduce. They do so by dividing into 2 equal cells.
Flagella
A thin appendage from the surface of the cell and is used for cellular locomotion.
Archaea
Prokaryotic cells that lack peptidoglycan and is one of the 3 domains.
What are the 3 main groups of Archaes?
1. Methanogens
2. Extreme thermophiles
3. Extreme halophiles
Fungi
Eukaryotes that may be unicellular or multicellular.Cannot carry out photsynthesis. Cell walls are made of chitin.
Mycelia
A mass of long filaments of cells that branch and intertwine and are typically found in molds.
Protozoa
Unicellular eukaryotic microbes. Move bu pseudopods, flagella, or cilia. Have a variety of shapes are live as free entities or parasites.
Pseudopods
An extension of the eukaryotic cell that aids in locomotion and feeding.
Algae
Photosynthetic eukaryotes. Wide variety of shapes. Cell walls composed of cellulose. Need light and air for food production and growth.
Viruses
Acellular, simple, contain either RNA or DNA in a core that is surrounded by a protein coat which is sometimes covered in a lipid envelope.