Lecture Exam #1 Biology 15 2013 Fall

Xxxxx scantron portion truefalse mark the bubble a

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XXXXX Scantron Portion - True/False: Mark the bubble A for true and B for false. Each question is worth 2 points. 51.) Algae and mushrooms are both types of fungi. 52.) Louis Pasteur is considered to be the father of Immunology based on his work vaccinating against small pox. 53.) Serotyping uses antibodies to look for minor variations within a species. 8
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General Microbiology Exam 1 Biology 15 54.) Large, multicellular organisms such as humans are part of the domain Eukarya. 55.) The most common product of fermentation is lactic acid. 56.) A dehydrogenation reaction removes two electrons and a proton from an organic molecule. 57.) A molecule of NADH contains more energy than a molecule of NAD + . 58.) Aerobic respiration produces more ATP than either fermentation or anaerobic respiration. 59.) Most microorganisms that cause disease in humans are mesophiles. 60.) A closed system of microorganisms will eventually progress to the death phase as the available nutrients become depleted. 61.) The optimal pH for bacterial growth is usually about pH 5. 62.) All forms of active transport and passive transport require a transport protein. 63.) Only Gram + cells are capable of forming endospores. 64.) The basal body anchors the flagellum to the bacterial cell. 65.) Prokaryotic cells are smaller and simpler than eukaryotic cells. 66.) The bacterial cell wall helps the cell to resist water pressure and prevents it from bursting. 67.) An axial filament is a short protein extension used for attachment. 68.) Positive chemotaxis describes the movement of a bacterium towards a particular chemical stimulus. 69.) A simple microscope always shows a dark object on a light field. 70.) Electron microscopy is always performed in a vacuum. 9
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General Microbiology Exam 1 Biology 15 Fill in - Short Answer: The value of each question varies. 71.) Briefly describe cell theory. Also, who is credited with developing cell theory using an early microscope? (4 pts) 72.) Which two domains are composed of prokaryotic organisms? (4 pts) 73.) Give an example of a terminal electron acceptor used in anaerobic respiration. Also, show the reduced form of the compound that you selected. (4
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