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Author Question: The table below lists several genotypes associated with the lac operon in E. coli. For each, ... (Read 110 times)

Hungry!

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on: Mar 26, 2020
The table below lists several genotypes associated with the lac operon in E. coli. For each, indicate with a "+" or a "-" whether β-galactosidase would be expected to be produced at induced levels.

β-Galactosidase Production
GenotypeNo LactoseWith Lactose
(a) I + O+ Z+/F' I - O+ Z+
(b) I - Oc Z -/F' I - Oc Z -
(c) I - Oc Z+/F' I - O+ Z+
(d) I s Oc Z -/F' I s O+ Z+

I += wild-type repressor
I -= mutant repressor (unable to bind to the operator)
I s= mutant repressor (insensitive to lactose)
O+= wild-type operator
Oc= constitutive operator (insensitive to repressor)
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Marked as best answer by Hungry! on Mar 26, 2020

kardosa007

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Reply #1 on: Mar 26, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Hungry!

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Reply 2 on: Mar 26, 2020
Gracias!

jomama

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Reply 3 on: Yesterday
Wow, this really help

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