Problem Set 10_2011

Problem Set 10_2011 - of the indicated enzymes produced Use...

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1. For each of the terms in the left column, choose the best matching phrase in the right column. _____a. induction 1. Glucose prevents expression of catabolic operons _____b. repressor 2. Stimulation of protein synthesis by a small molecule _____c. operator 3. Group of genes transcribed into one mRNA _____d. catabolite repression 4. Site to which repressor binds _____e. attenuation 5. Negative regulator _____f. activator 6. Gene regulation involving premature termination of transcription _____g. operon 7. Positive regulator 2. Given below are a number of genetic combinations in the lac operon. For each one, give the level
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Unformatted text preview: of the indicated enzymes produced. Use 1 (or low, L) for uninduced level and 100 (or high, H) for induced level. The superscripts used are:- (+) = wild type; (-) negative or mutant; (c)= constitutive; (s)= uninducible. Enzyme Levels . β-galactosidase (Z) Permease (Y) . Uninduced Induced Uninduced Induced i-o + z + y-/i + o + z-y + i + o c z + y-/i + o + z-y + i s o + z + y-/i + o + z-y + i s o + z + y-/i + o c z-y + Genetics 380: Spring, 2011 Problem Set 10 (Due the week of 4/4) Ch. 11. 3 . Write the partial genotype for a strain that will- (a) produce β-galactosidase constitutively and permease inducibly (b) produce β-galactosidase constitutively but no permease (neither constitutively nor inducibly) even though a y + (wild type permease) gene is known to be present....
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This note was uploaded on 09/29/2011 for the course GENETICS 380 taught by Professor Glodowski during the Spring '08 term at Rutgers.

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Problem Set 10_2011 - of the indicated enzymes produced Use...

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