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