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Foundations in Microbiology, 4/e
Kathleen Park Talaro, Pasadena City College
Arthur Talaro

Prokaryotic Profiles: The Bacteria

Internet Exercises

Go to a search engine ( http://www.google.com or http://www.altavista.com for example) and enter the search term “Martian Microbes.” Look for papers and information that support or reject the idea that fossil structures discovered in an ancient meteor from Mars could be bacteria. What are two of the main reasons that microbiologists are skeptical of this possibility?