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Selenium: Quiz
  
  
  
  
  

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More interesting facts on Selenium

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Question 1: The recoding mechanism was worked out first in ________ and then in mammals (see SECIS element).
CorynebacteriumGram-negative bacteriaGram-positive bacteriaBacteria

Question 2: Depleted selenium levels in turn lead to a decline in CD4 ________, further weakening the immune system.
T cellT helper cellCytotoxic T cellB cell

Question 3: In the 1970s it was shown to be present in two independent sets of ________.
Enzyme inhibitorCofactor (biochemistry)EnzymeProtein

Question 4: Selenium (Greek σελήνη selene meaning "Moon") was discovered in 1817 by Jöns Jakob Berzelius,[4] who found the element associated with ________ (named for the Earth).
TelluriumZincCadmiumGold

Question 5: [49] Selenium normally acts as an ________, so low levels of it may increase oxidative stress on the immune system leading to more rapid decline of the immune system.
MetabolismNutritionAntioxidantHuman nutrition

Question 6: ________ are the richest ordinary dietary source (though this is soil-dependent, since the Brazil nut does not require high levels of the element for its own needs).
CoconutPeanutBrazil nutMacadamia

Question 7: The ingredient is also used in body lotions to treat ________ due to infection by a different species of Malassezia fungus.
OnychomycosisTinea capitisAthlete's footTinea versicolor

Question 8: [39] It has been proposed that selenium may help prevent cancer by acting as an ________ or by enhancing immune activity.
Human nutritionAntioxidantNutritionMetabolism

Question 9: However, ________ is not, and also has a significantly lower level of AIDS infection than the rest of the continent.
Côte d'IvoireSenegalGuinea-BissauMozambique

Question 10: For example, much of ________ is low in selenium.
RéunionSouth AfricaSub-Saharan AfricaMayotte
















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