What is a microorganism? Describe how microbes play a positive AND negative role in our lives.
In the Winter of 2019, China experienced an increased incidence of Severe Acute Respiratory Syndrome (SARS). SARS is characterized by fever, dry cough, and shortness of breath. How can Koch’s postulates be used to determine if there is an infectious cause of this SARS-like disease? Be sure to explain what you would expect to see at each step if there was an infectious agent causing this disease.
Robert Hooke’s cell theory stated that life’s smallest structural units were cells, but viruses weren’t discovered for another 200 years. How do viruses fit into Hooke’s cell theory?
What is the human microbiome? What is the role of these microorganisms in human health and disease?
How does the chemical bond between carbon and oxygen differ from the chemical bond between oxygen and hydrogen? Give an example of where you might each of these chemical bonds in our microscopic world.
Describe the basic structure or make-up of each organic compound. Then describe how its structure contributes to its function.
What is pH a measure of? What values correspond to a neutral, basic, and acid pH, respectively? How does pH affect the structure and function of organic compounds in the cell?
Describe the structure and function of the plasma membrane. Include which organic compounds are found at the plasma membrane and how their structure contributes to the function of the plasma membrane.
What types of prokaryotic structures can be used for identification? Give at least three examples of structures and how they can be used to identify different bacterial species.
What is the basic structure of the bacterial cell wall? Compare the mechanism of action of penicillin and lysozyme.
Describe the movement of water under the following conditions. Include in your answer what might happen if a cell experienced these conditions.
Describe ten differences between prokaryotic and eukaryotic cells.
Describe five similarities between prokaryotic and eukaryotic cells.
Tetracycline is an antibiotic that inhibits protein synthesis through interactions with the 30S ribosomal subunit. What affect would tetracycline treatment have on prokaryotic and eukaryotic cells?
What are organelles and where can they be found? How do the presence of organelles support or reject the endosymbiont theory?
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