The sigma subunits determine the specific gene promoters that a holoenzyme will recognize. Which of the sigma subunits recognizes promoters of "housekeeping genes," the genes whose protein products are continuously needed by cells?

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Subunit σ 54


Subunit σ 28


Subunit σ 32


Subunit σ 70


asked May 15, 2013 in Genetics by GeneX ~Top Expert~ (7,947 points)

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Subunit σ 70
answered May 15, 2013 by GeneX ~Top Expert~ (7,947 points)

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