Summary: Cursus Microbiologie
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Read the summary and the most important questions on Cursus Microbiologie
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Chapter 3 – Cell Structure and Function in Bacteria and Archaea
This is a preview. There are 4 more flashcards available for chapter 30/03/2015
Show more cards here -
Which type of taxis would a cyanobacterium use to move towards a more hydrated environment?
Hydrotaxis -
Cells can move both towards a gradient as well as away from a gradient
true -
Which structural component(s) allow(s) for motility in E.coli
Peritrichous flagella -
Bacterial cells can only sense a gradient by indentifying ___ changes rater than ___ differences due to their small ___.
Temporal / spatial / cell size -
A glass capillary tube containing a chemical was placed inside a turbid axenic culture of cells. Most cells moved away from the tube, but some cells were found inside the capillary. The chemical is likely a(n)...
Repellent to all cells and some cells by chance were within the tube. -
Fimbriai and pili are both composed of proteins
True -
Which structure is involved in the genetic exchange (conjugation) between cells?
Pilus -
What are function of a type IV pili?
- Cell adhesion
- Exchange of genetic material
- Gliding motility
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How are capsuls and slime layers distinguished from one another?
- Rigidity
- thickness
- adherence to cell wall
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Fimbriau allow for cells to adhere to surface, but they also can allow for the development of
Pellicles, which are thin aggregates of cells at the surface of water.
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