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Quiz 1 answers - Quiz 1 Cell Biology Fall 2009 TOTAL POINTS...

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Quiz 1 Cell Biology Fall 2009 NAME:_________________________________________ TOTAL POINTS 14 1 Cell biologists employ targeted fluorescent dyes or modified fluorescent proteins in both standard fluorescence microscopy and confocal microscopy to observe specific details in the cell. Even though fluorescence permits better visualization, the resolving power is essentially the same as that of a standard light microscope because the resolving power of a microscope is limited by the __________ of light. (1 point) (a) absorption (b) intensity (c) filtering (d) wavelength 2 Indicate whether the following statements are true or false. If the statement is false, explain why it is false. (4 points) A. Oxygen is toxic to certain procaryotic organisms. B. Mitochondria are thought to have evolved from anaerobic bacteria. (a) True. (b) False. Mitochondria use oxygen to generate energy and are thought to have evolved from aerobic bacteria. 3 Your friend has just returned from a deep sea mission and claims to have found a new single-celled life form. He believes this new life form may not have descended from the common ancestor that all types of life on Earth share. You are convinced that he must be wrong, and you
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This note was uploaded on 09/17/2009 for the course BIOS 222 taught by Professor Warphea during the Spring '08 term at Ill. Chicago.

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Quiz 1 answers - Quiz 1 Cell Biology Fall 2009 TOTAL POINTS...

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