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1.Identify and define the nucleoid, ribosomes and inclusions bodies of the prokaryotic cell

2. Identify and define external components of the prokaryotic cell, including flagella, pilli and glycocalyx

2. Compare and contrast the stucture and function of the cell membrane of Archaea and Bacteria

3. Create the cell wall of a bacterial cell from its precursor molecules

4. Differentiate the structural components of Gram positive and Gram negative cells and describe the reaction to stains that occurs during the Gram stain procedure.

5. Use the structural information to determine which components of the cell would be an optimal site of antibiotic use and explain why these sites are optimal in terms of selective toxicity

6. Compare the acid fast and mycoplasms to Gram postive and Gram negative cells.

QUESTIONS:

1la. Differentiate between the cell membrane of Archaea and bacterial cell membranes.

1hb. A new cell is discovered with the following characteristics: 0.2 um diameter, no cell wall, lacking a nucleus, ether links in the cell membrane.  In what domain would you put this cell?

2la.  Why is the ribosome of a bacterial a common site of antioitic activity?

2hb. In a mixed culture of bacteria, bacteria A dominated over bacteria B.  After careful investigation, it was found that bacteria A secreted a compound that prevented proteins from being properly formed.  What structural part of bacteria B was damaged by the compound and can this be used as an antibiotic safe for human use?

3la. How is the mycoplasma different from a Gram positive bacteria?

3hb. Why can the death of a Gram negative pathogen cause more damage to an infected host than death of a mycoplasma?

 

MULTIPLE CHOICE

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