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PreQuiz
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1When electromagnetic radiation enters into living organisms it interacts with the DNA and breaks down water to form free radicals
A)True
B)False


2Which form of electromagnetic radiation has the shortest wavelength?
A)Gamma rays and X rays
B)Ultraviolet light
C)Visible light
D)Infrared light


3Ultraviolet light is able to penetrate solid objects.
A)True
B)False


4Ultraviolet light is considered relatively safe, however skin should not be unnecessarily exposed and eyes should be protected.
A)True
B)False


5Exposure of bacteria, to which group of ultraviolet light, results in the formation of pyrimidine dimers?
A)UV-A
B)UV-B
C)UV-C





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