 
Biology: The Dynamics of Life, California EditionChapter 7:
A View of the CellWeb Links
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| | Cells Alive! | | Follow the link to this site for descriptions of how cells respond to various invaders, including HIV, bacteria, and a splinter. Which of the white blood cells are the most active?
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http://www.cellsalive.com
) | | | | | Molecular Expressions | | This site provides a good history of cell biology and links to colorful graphics of cell organelles as well as comprehensive explanations of their functions. How many cells does the human body have? Click on the animal cell link to learn what feature is missing from animal cells but is found in plant and fungi cells.
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http://micro.magnet.fsu.edu/cells/index.html
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| | Scanning Probe Microscopy | | This site is maintained by an organization that collects experimental evidence in biology, chemistry, and phyics using a scanning probe microscope. Explain to a friend how the scanning probe miscroscope images of DNA differ from images of chromosomes.
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http://www.nano.geo.uni-muenchen.de/
) | | | | | Electron Microscopy | | This site explains how electron microscopes work, including some pictures and the difference between SEMs and TEMs. Develop a presentation that explains how electron microscopes are different from light microscopes.
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http://www.unl.edu/CMRAcfem/em.htm
) | | | | | Microscopy Primer | | This is an excellent site that has a variety of virtual microscopes that students can explore. Each type of microscope has instructions for focusing, light adjustments, and magnification. Choose one of the microscope types and explore the various features of each. Select an organism and make a detailed drawing of it.
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http://micro.magnet.fsu.edu/primer/virtual/virtual.html
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| | Lewis Thomas | | This is a brief biographical entry about Lewis Thomas. What award did he win for his collection of essays that appeared in the New England Journal of Medicine?
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http://www.bedfordstmartins.com/litlinks/essays/Thomas.htm
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| | Chart of Actual Organelle Sizes | |
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http://faculty.rpcs.org/brockda/Cell%20Tour%20Project/Organelle%20Charts.htm
) | | | | | Cells Alive | | How big is an E.coli cell? If you could see everything that could be on the head of a pin, what would you see? Use the arrows to increase or decrease the magnification of the pin head to get an idea of how big certain cells and organisms are. What is the difference in size between red blood cells and an Ebola virus?
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http://www.cellsalive.com/howbig.htm
) | | | | | Studying Cells – Size and Biology | | This site sponsored by the University of Arizona provides information on the sizes of cells and their components. Should you use an electron microscope or a light microscope to look at a virus?
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http://www.biology.arizona.edu/cell_bio/tutorials/cells/cells2.html
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