Structure and characteristics of microorganisms | Homework Help
Structure and Characteristics of Microorganisms – The graduate recognizes types and characteristics of microorganisms, performs biochemical tests, and recognizes principles of osmosis.
Recognize the basic principles of osmosis.
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Test for the effects specified osmotic changes have on a given microbe in a laboratory setting.
Task:
Upon completion of the lab, write a brief essay (suggested length of 1-2 pages) in which you:
A. Define the following three terms in relation to microbial growth:
Isotonic
Hypotonic
Hypertonic
B. Describe your observations for Staphylococcus epidermidis and Saccharomyces cerevisiae under these conditions:
1. 1% NaCl solution
2. 7% NaCl solution
3. 15% NaCl solution
C. Explain the results of your observations for Staphylococcus epidermidis and Saccharomyces cerevisiae in NaCl solutions.
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