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chapter4 micro.
parts of cells
| Question | Answer |
|---|---|
| Prokaryotic cell | a cell whose genetic material is not enclosed in a nuclear envelope . |
| Eukaryotic cell | a cell having DNA inside a distinct membrane-enclosed nucleus |
| Glycocalyx | gelatinous polymer surrounding a cell. |
| flagellum | thin appendage from the surface of a cell,used for cellular locomotion |
| fimbriae | appendage on a bacterial cell used for attachment |
| sex pilli | mechanism by which genetic material is transferred from one bacterium to another. |
| capsules | outer,viscous covering on some bacteria composed of a polysaccharide or polypeptide |
| teichoic acids | a polysaccharide found in gram-positive cell walls |
| Spheroplasts | gram-negative bacterium treated to damage the cell wall resulting in a spherical cell |
| protoplasts | a gram-positive bacterium or plant cell treated to remove the cell wall |
| Chloroplasts | organelle that performs photosynthesis in photoautotrophic eukaryotes |
| chromatopheres | an infolding in plasma membrane where bacteriochorophyll is located in photoautotrophic bacteria aka thlakoids |