Homework 2 key

Homework 2 key - Homework #2 Due: January 30, 2008 Name: _...

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Homework #2 Name: _____________________________ Due: January 30, 2008 Lab Section: ________________________ 1. What limits the resolving power of the light microscope? The wavelength of light. If the objects are closer than the wavelength, then they will appear blurry. 2. What is the difference between transmission and scanning electron microscopy? The beam of electrons passes through the sample and is scattered by dense objects in transmission. Scanning reflects the electron beam off the surface of the sample and produces a three dimensional image of the surface 3. How does cell fractionation complement cell imaging studies? Collecting only a specific portion of the cell allows for the biochemical analysis of the organelle. Function can then be correlated with structure. 4. What is the major difference between prokaryotic and eukaryotic cells Prokaryotic cells have no internal membrane while eukaryotic cells have many membrane bound structures. 5.
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Homework 2 key - Homework #2 Due: January 30, 2008 Name: _...

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