UASs Upstream Activating Sequences)are DNase Hypersensitive

question 24

Multiple Choice

UASs upstream activating sequences) are DNase hypersensitive.This means that__________ .

• A)a UAS is constitutively open
• B)each UAS is likely to be single stranded
• C)any given UAS is composed of a double- stranded site with a bound repressor
• D)each UAS has more histone- binding sites than non- UAS sites
• E)more than one strand of DNA exists in each UAS

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