Microbiology Chapter 1 (Test questions with correct solution)

Microorganisms correct answers Organisms that are too small to be seen with the unaided eye Germ correct answers Rapidly growing cell Pathogenic correct answers Disease-causing What are some good things that microbes do? correct answers 1. Decompose organic waste (Without them we'd have too much waste) 2. They are producers in the ecosystem by photosynthesis 3. They produce industrial chemicals such as ethanol and acetone 4. Produce fermented foods such as vinegar, cheese, and bread. 5. Produce products used in manufacturing and treatment (insulin) 6. Create Designer Jeans What does the knowledge of microorganisms allow humans to do? correct answers 1. Prevent food spoilage 2. Prevent disease occurrence (prevention by understanding them) 3. Led to aseptic techniques to prevent contamination in meds and in labs What are aseptic techniques? correct answers Techniques that keeps thing sterile and avoids cross contamination to prevent spread Who established the system of scientific nomenclature? correct answers Linnaeus Each organism has two names, what are these two names called? correct answers The Genus and the Species (aka specific epithet) How do scientific names differ from other names? correct answers Scientific names are italicized or underlined. Also, the genus is capitalized which the species is lower case. (Ex. E.coli) Scientific names are latinized and used worldwide and can be very descriptive or they can honor a scientist. What is Escherichia coli and how did it get that name? correct answers Escherichia coli is also known as E.coli. E.coli honors the discoverer, Theodor Escherich, and describes the habitat of the E.coli which is in the large intestine or colon (coli). What is Staphylococcus aureus and how did it get that name? correct answers Staphylococcus aureus describes the arrangement of the bacterium which is: clustered (staphylo) spperical (cocci) cells, Along with the gold color of the bacterium's colonies (aureus).