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16 Cards in this Set
- Front
- Back
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Protozoa |
Single celled organism, no cell wall, animal like |
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Fungi |
Nonphotosynthetic, have chitin in cell wall, nonmodal |
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Algae |
Photosynthetic, both single and multi cellular, plant like |
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Why is it harder to treat a eukaryotic infection? |
Because eukaryotes are more like us than prokaryotes (bacteria) |
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What is a bacteriophage? |
Virus that attacks bacteria |
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Which groups have flagella? |
Protozoa and algae |
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What are flagella? |
Function in motility, 10x thicker than prokaryotic flagella, covered by an extension of the cell membrane, long sheathed cylinder containing microtubules in a 9+2 arrangement |
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Who has cilia? |
Protozoa |
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What are cilia? |
Function in motility, feeding and filtering Similar in structure to flagella, but shorter and more numerous Found only on a single group of Protozoa and certain animal cells-ciliophora |
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Which Protozoa is clinically significant? |
Balantidium coli (causes diarrhea in pigs) |
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What is a glycocalyx? |
Functions in adherence, protection, signal reception Slime layer or capsule Composed of polysaccharides |
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____ have a thick, rigid cell wall. |
Fungi |
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____, ___, and ___ lack a cell wall, and only have a membrane. |
Protozoa, a few algae, and all animal cells. |
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What does the cell wall do? |
Rigid, provides structural support and shape, prevents osmotic lysis |
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What is a diatom? |
Ex: silicon dioxide |
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What is the cytoplasmic/cell membrane? |
Bilayer of phospholipids and proteins, selectively permeable barrier |
