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the several genotypes associated with the lac operon in E

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solution


Question

the several genotypes associated with the lac operon in E. coli. for each, indicate with a "+" or a "-" whether beta (B) galactosidase would be expected to be produced at induced level (assume that glucose is not present in the medium);a) I+ O+ Z + / F' I - O +Z+;b) I - Oc Z + / F' I - O+ Z-;c) Is Oc Z+ / F' I + O+ Z+;d) I - O+ Z + / F' I - O + Z+;I+ = Wild-type repressor;I- = mutant repressor (anable to bind to the operator);Is = mutant repressor (insensitive to lactose);O+ = Wild-type operator;Oc = constitutive operator (insensitive to repressor)

 

Paper#18392 | Written in 18-Jul-2015

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