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16 Cards in this Set
- Front
- Back
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The Major Groups of Microorganisms includ:
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Bacteria
Algi Fungi Viruses Protozoa Archaea |
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What are the differences between a prokaryotic cell and an eukaryotic cell?
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Prokaryotic Cell:
No nucleus Divides by Binary Fission Eukaryotic Cell: Means true nucleus Membrane Bound Nucleus |
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What are normal flora?
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Harmless Bacteria in and on your body.
Gram + and Gram - Aerobic Yeast |
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Where would you find normal flora?
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Mouth
Skin Gastrointestinal Track Respiratory Track |
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What are the basic shapes that are found in bacteria?
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Spherical (cocci)
Rod-shaped (bacilli) Spiral (spirilla) |
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What is aerobic bacteria?
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Has to have oxygen
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What is anaerobic bacteria?
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Lives without oxygen
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What is facultative bacteria?
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Can live with both oxygen and no oxygen.
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What are peptidoglycans?
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Long glycan chains cross-linked by short peptide fragments.
They are polysaccharides that make up the cell wall that is Gram +. |
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What are the differences between Gram + and Gram - bacteria?
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Gram +
Has a thick peptidoglycan wall Stains purple Gram - Has an outercoating of lipopolysaccharide with a think shell of peptidoglycan. Stains red |
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What are capsules?
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Protective layering covering a cell wall.
They prevent antibiotics from working. They are virulent. |
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What is a flagella?
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They function in mobility and movement
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What is a fimbrae?
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Fine hairlike bristles on the cell surface. Aids in adhesion to the other cells and surfaces.
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What are pili?
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Conjugation
SEX!!! |
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What are endospores?
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Resting dormant states of cells
Can live in Extreme Conditions |
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What is a bacterial growth curve?
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How bacterial grows
Life Span of bacteria |
