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Carcinogen: Quiz


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Question 1: ________ from the sun and UV lamps
UltravioletElectromagnetic spectrumX-rayVisible spectrum

Question 2: Usually DNA damage, if too severe to repair, leads to ________, but if the programmed cell death pathway is damaged, then the cell cannot prevent itself from becoming a cancer cell.
Programmed cell deathDevelopmental biologyEmbryoFertilisation

Question 3: There are several carcinogenic pyrolysis products, such as polynuclear aromatic hydrocarbons, which are converted by human ________ into epoxides, which attach permanently to DNA.
EnzymeCofactor (biochemistry)Enzyme inhibitorProtein

Question 4: Common examples of carcinogens are inhaled ________, certain dioxins, and tobacco smoke.

Question 5: A carcinogen is any substance, radionuclide or radiation, that is an agent directly involved in the exacerbation of ________ or in the increase of its propagation.

Question 6: ________ contains over 4000 chemical compounds, many of which are carcinogenic or otherwise toxic.
Annual cannabis use by countryNicotineAlcoholic beverageTobacco smoking

Question 7: Genotoxins cause irreversible genetic damage or mutations by binding to ________.

Question 8: Certain viruses such as ________ and human papilloma viruses have been found to cause cancer in humans.
Herpes simplex virusAIDSHerpes simplexHepatitis B

Question 9: Higher-energy radiation, including ultraviolet radiation (present in sunlight), x-rays, and ________, generally is carcinogenic, if received in sufficient doses.
Nuclear fusionMicrowaveNuclear fissionGamma ray

Question 10: Several radioactive substances are considered carcinogens, but their carcinogenic activity is attributed to the radiation, for example gamma rays and ________, which they emit.
AtomAlpha particleElectronAlpha decay

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