2012 HOMEWORK_06AB_Questions

Fusion fusion a fusion b galactosidase specific

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Unformatted text preview: either medium containing arginine or medium lacking arginine. ß ­galactosidase specific activity was measured. The following are the results: hutP-lacZ transx. fusion Fusion A Fusion B ß-galactosidase specific activity plus arginine NO arginine 100 100 3 100 A) What can you conclude regarding the function of the region of DNA that is present in Fusion B but not Fusion A for regulation hutP expression? (circle one) i) This DNA inhibits hutP expression in the absence of arginine. ii) This DNA inhibits hutP expression in the presence of arginine. iii) This DNA activates hutP expression in the absence of arginine. iv) This DNA activates hutP expression in the presence of...
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This note was uploaded on 11/21/2012 for the course MATH 115A taught by Professor Liu during the Fall '07 term at UCLA.

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