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27 Cards in this Set
- Front
- Back
- 3rd side (hint)
Ubiquitous |
1. A word used to sum up the presence of microbes 2. Being, or seeming to be, everywhere at the same time |
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Microbiology |
A specialized area of biology that deals with tiny life forms that are not readily observed without magnification (microscopic) |
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Microscopic |
Not readily observed without magnification |
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Microorganisms |
Also referred to as microbes, germs, bugs as to their role in infection Microscopic organisms |
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Name the major groups of microorganisms in microbiology |
1. Bacteria 2. Viruses 3. Fungi 4. Protozoa 5. Algae 6. Helminths ( parasitic worms ) |
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Name for parasitic worms |
Helminths |
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Nature of microorganisms in reference to studying |
Easy- b/c they reproduce so rapidly and can usually be grown in lrg #s in a lab Hard to- b/c we cant observe or analyze them without special techniques like and espec. Use of microscope |
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Geomicrobiologists |
Focus on the roles of microbes in the development of earth's crust |
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Marine microbiologists |
Study the ocean and its smallest inhabitants |
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Medical technologists |
Do tests to help diagnose pathogenic microbes and their diseases |
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Nurse epidemiologists |
Analyze the occurrence of infectious diseases in hospitals |
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Astrobiologist |
Studies the possibilities of organisms in space |
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Scientists looking for life on other planets first |
Look for signs of microorganisms |
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Fossil record in ancient rock and sediments suggest |
Bacteria-like cells having existed on earth for at least 3.5 billion yrs |
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Early microorganisms |
1. Dominated earth's life forms for 2 billion yrs
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Nucleus aka |
Karyon |
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Prokaryotic |
1. Genetic material of the cell not bound to a seperate compartment or nucleus 2. Ancient cells 3. Meaning before the nucleus 4. Lack organelles which are stuctures in cells bound by one or more membranes 5. Smaller than eukaryotic |
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Ancient cells |
1. Small, simple, lacked specialized internal structures to carry out their functions 2. Prokaryotic |
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Organelles |
Various specialized structures including a nucleus |
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More complex cell from the prokaryotes |
1) abt 1.8 billion yrs ago 2) had nucleus and other organelles 3) eukaryotes 4) evolved from prokaryotes through endosymbiosis |
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Eukaryotes |
1. True nucleus 2. Have organelles and a nucleus 3. Evolved from prokaryotes through endosymbiosis |
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Endosymbiosis |
Way eukaryotes evolved from prokaryotes |
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Early eukaryotes |
Prob sim to algae and protozoa started evolution lines to fungi, plants, and mulitcellular organisms |
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Name the cell type |
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Name the cell type |
Eukaryotic |
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Name the structures |
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Similarity of cell wall and cell membrane |
Both maintain cell integrity |
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