Sweet potato root, stained with acridine-orange
Bacillus subtillis, stained with acridine-orange
Spinach root, stained with acridine-orange
Spinach leaves, stained with acridine-orange
Diatoms, stained with acridine-orange
This program describes the discovery of viruses and their structure, how viruses are studied, how they infect their hosts and how they replicate. 2004
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This program describes the discovery of viruses and their structure, how viruses are studied, how they infect their hosts and how they replicate. Details are provided on the T-4 bacteriophage and retroviruses such as HIV. The bacteria section uses compelling microscopy of living bacteria to examine their structure, physiology, behavior, and the vital roles these microbes play in the biosphere, including oxygen production (cyanobacteria), decomposition, nitrogen fixation, and as parasites as well as helpful symbionts.
Twelve minutes of additional live observation of a variety of bacteria can be used to introduce or recap the lesson, or play as visual ambiance during laboratory work. ©2004 Subtitled enabled 45 minutes, 11 narrated modules plus 22 minutes of additional observations. Closed Captioned. (2004).