front 1 UV light has ______ wavelengths than visible light waves, and its peak energy is at a wavelength of ______. | back 1 Shorter; 254nm |
front 2 Which of the following would be appropriately sterilized using UV radiation | back 2 Stainless steel surface in biological safety cabinet used for media preparation |
front 3 Which of the following DNA sequences would be the most likely to be damaged by UV radiation? | back 3 CTTGAATTA |
front 4 Which of the following infectious agents is least likely to be damaged by UV exposure? | back 4 prions |
front 5 which structures are less susceptible to uv damage | back 5 Endospores |
front 6 When two adjacent thymine molecules are joined by a covalent bond as a result of exposure to UV light, this structure is referred to as a | back 6 thyme dimer |
front 7 Which of the following are limitations of using UV radiation for disinfection? | back 7 UV radiation does not penetrate through paper, plastic, or liquids UV radiation destroys bacteria but not viruses UV radiation can damage the skin and eyes |
front 8 How is an antiseptic different from a disinfectant | back 8 An antiseptic is used to remove or kill microorganisms on tissue, whereas a disinfectant is used to remove or kill microorganisms on inanimate objects. |
front 9 How is an antiseptic different from a disinfectant | back 9 An antiseptic is used to remove or kill microorganisms on tissue, whereas a disinfectant is used to remove or kill microorganisms on inanimate objects. |
front 10 Betadine, an iodine compound used to scrub skin before a surgical incision, is considered a(n) | back 10 Antiseptic |
front 11 The chemical that you use to wipe down your lab bench at the beginning and end of a lab exercise is an example of a(n | back 11 disinfectant |
front 12 What will be the variable in the four quadrants of the plate? | back 12 Type of antiseptic |
front 13 What is the purpose of water in the experiment? | back 13 A negative control |