This #27: Ultraviolet Light What length of time is required to destroy the vegetative bacteria tested? Organism 2. What

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This 27 Ultraviolet Light What Length Of Time Is Required To Destroy The Vegetative Bacteria Tested Organism 2 What 1 (38.81 KiB) Viewed 26 times

This #27: Ultraviolet Light What length of time is required to destroy the vegetative bacteria tested? Organism 2. What time is required for Saccharomyces cerevisiae? 3. Explain any differences noted in the times above, relating these results to the structure of the organisms. 4. What time is required to destroy B. subtilis endospores? Try to express it as " 5. Why was SAB used for Saccharomyces? Time 6. Why did you cover of the plate during exposure? times longer than vegetative cells." 7. Discuss specifically how UV light halts the growth of organisms. 8. What harmful effects does UV light have on human tissues? How can this be avoided? b. 9. Record the range in nm of UV light: What wavelength of light is specifically called "germicidal"? 10. Discuss some ways that UV light is used in the everyday world to control microbial growth. Include at least three for full credit!! a.