Homework Answers
In lac operon, z+ coded for beta-galactosidase and Y+ coded for permease.
Oc operator cannot be turned off because it causes constitutive.
And lac operon only activated when inducer is present but if Oc operator is present then in the absence of inducer the operon is remain active.
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1. The map of the lac operon is P-O-Z-Y. The promoter (P) region is the start...
1. The map of the SheDoesntEvenGoHere operon is... P LAst Ics The promoter (P) region is...
1. The map of the SheDoesntEvenGoHere operon is... P LAst Ics The promoter (P) region is the start site of transcription through the binding of the RNA polymerase molecule before actual mRNA production. The operon functions similarly to the lac operon, but has to do with the metabolism of muffins; therefore muffins are the effector molecules here. Just downstream of the promoter is the operator sequence (L). Lexus, coded by the Ast gene, is similar to permease while Secrets, coded...
A number of mutations affect the expression of the lactose operon in E. coir. I^- a...
A number of mutations affect the expression of the lactose operon in E. coir. I^- a mutant lac repressor that cannot bind the lac operator I^s a mutant lac repressor that cannot bind lactose O^c a mutant lac operator that cannot bind repressor Lacl P^- a mutant lac promoter that cannot bind RNA polymerase Z^- a mutant lacZ lost beta-galactosidase activity Y^- a mutant permease that cannot transport lactose into the cell Consider the following strains each with the indicated...
for 1-5 define those The Lac operon is an inducible set of genes found in bacteria...
for
1-5 define those
The Lac operon is an inducible set of genes found in bacteria cells that helps the bacteria to metabolize the disaccharide lactose. When it is turned on it produces proteins that pump lactose into the bacteria cell and break it down into glucose and galactose, which can then be used by the bacteria as a source of energy The two figures below show the Lac Operon along with the lacl gene (which regulates the Lac operon...
Determine the outcome for the lac operon genotype shown below: Assume lactose is absent. Select one:...
Determine the outcome for the lac operon genotype shown below: Assume lactose is absent. Select one: o Functional beta-galactosidase and functional permease are produced O Only functional beta-galactosidase is produced. Functional permease is NOT produced. O Only functional permease is produced. Functional beta-galactosidase is NOT produced. O Functional beta-galactosidase is NOT produced. Functional permease is NOT produced. Determine the outcome for the lac operon genotype shown below: SD oc Assume lactose is absent. Select one: o Functional beta-galactosidase and functional...
Lac Promoter i promoter galactoside transacetylase gene E coll chromosome lac operon loc terminator regulatory gene...
Lac Promoter i promoter galactoside transacetylase gene E coll chromosome lac operon loc terminator regulatory gene Operator site (laco) CAP site Lactose permease gene Beta-galactosidase gene
The diagram below illustrates the LAC operon in its OFF state when the inducer molecule —lactose—is...
The diagram below illustrates the LAC operon in its OFF state when the inducer molecule —lactose—is absent. Predict the ways in which the following conditions will affect the transcription of the lactose-utilization genes. OPERON Regulatory Promoter Operator_ gene Lactose-utilization genes DNA mRNA RNA polymerase cannot attach to promoter Active repressor Protein If a mutation in the regulatory gene results in a misfolding of the repressor protein so that it can no longer bind DNA, the lactose-utilization genes O Will be...
In this problem you will explore how to solve problems involving partial diploid lac operon bacterial...
In this problem you will explore how to solve problems involving partial diploid lac operon bacterial strains. Bacterial strains that are "partially diploid" have two copies of the lac operon because they aquired a plasmid carrying just the lac operon region. One copy of the lac operon region is on the recipient's bacterial chromosome, and the other copy is on the P plasmid that was introduced into the cell by conjugation. Partial diploid genotypes are written with the P segment...
In the lac operon, 1 codes for the repressor protein, P is the promoter which is...
In the lac operon, 1 codes for the repressor protein, P is the promoter which is necessary for binding RNA polymerase, O is the operator, and Z codes for the B-galactosidase. Assuming (+) denotes the wild type for a particular locus, (-) denotes a lack of a particular gene product or function, O^c is a constitutive operator, and I^s is a super repressor. Use a "+++" sign to indicate that significant quantities of functional B-galactosidase are present, a '+' sign...
The lac operon consists of a promoter that initiates transcription of the gene i, which encodes...
The lac operon consists of a promoter that initiates
transcription of the gene i, which encodes a repressor protein. A
seperate promoter, p, within the operon initiates transcription of
z, which encodes B-galactosidase, and y, which encodes permease.
The operator, o, where the repressor protein binds to inhibit
transcription, is positioned between mutations, whereas superscript
c denotes a constitutively active mutant. The table below sea fives
the activity of B-galatosidase and permease for haploid and diploid
mutant strains. Match the...
For each region of the lac operon on the F' plasmid, I+ P+ Oc Z− Y+...
For each region of the lac operon on the F' plasmid, I+ P+ Oc Z− Y+ , determine whether the region is wild type (that is, it produces a functional protein or it's a correct protein binding sequence) or whether the region is mutated. Select all that apply. Select all that apply. The promoter sequence is correct/functional. The repressor protein is produced. The operator sequence is correct/functional. Beta-galactosidase is produced from the lacZ gene. Permease is produced from the lacY...
1. The map of the SheDoesntEvenGoHere operon is... P LAst Ics The promoter (P) region is the start site of transcription through the binding of the RNA polymerase molecule before actual mRNA production. The operon functions similarly to the lac operon, but has to do with the metabolism of muffins; therefore muffins are the effector molecules here. Just downstream of the promoter is the operator sequence (L). Lexus, coded by the Ast gene, is similar to permease while Secrets, coded...
A number of mutations affect the expression of the lactose operon in E. coir. I^- a mutant lac repressor that cannot bind the lac operator I^s a mutant lac repressor that cannot bind lactose O^c a mutant lac operator that cannot bind repressor Lacl P^- a mutant lac promoter that cannot bind RNA polymerase Z^- a mutant lacZ lost beta-galactosidase activity Y^- a mutant permease that cannot transport lactose into the cell Consider the following strains each with the indicated...
for
1-5 define those
The Lac operon is an inducible set of genes found in bacteria cells that helps the bacteria to metabolize the disaccharide lactose. When it is turned on it produces proteins that pump lactose into the bacteria cell and break it down into glucose and galactose, which can then be used by the bacteria as a source of energy The two figures below show the Lac Operon along with the lacl gene (which regulates the Lac operon...
Determine the outcome for the lac operon genotype shown below: Assume lactose is absent. Select one: o Functional beta-galactosidase and functional permease are produced O Only functional beta-galactosidase is produced. Functional permease is NOT produced. O Only functional permease is produced. Functional beta-galactosidase is NOT produced. O Functional beta-galactosidase is NOT produced. Functional permease is NOT produced. Determine the outcome for the lac operon genotype shown below: SD oc Assume lactose is absent. Select one: o Functional beta-galactosidase and functional...
Lac Promoter i promoter galactoside transacetylase gene E coll chromosome lac operon loc terminator regulatory gene Operator site (laco) CAP site Lactose permease gene Beta-galactosidase gene
The diagram below illustrates the LAC operon in its OFF state when the inducer molecule —lactose—is absent. Predict the ways in which the following conditions will affect the transcription of the lactose-utilization genes. OPERON Regulatory Promoter Operator_ gene Lactose-utilization genes DNA mRNA RNA polymerase cannot attach to promoter Active repressor Protein If a mutation in the regulatory gene results in a misfolding of the repressor protein so that it can no longer bind DNA, the lactose-utilization genes O Will be...
In this problem you will explore how to solve problems involving partial diploid lac operon bacterial strains. Bacterial strains that are "partially diploid" have two copies of the lac operon because they aquired a plasmid carrying just the lac operon region. One copy of the lac operon region is on the recipient's bacterial chromosome, and the other copy is on the P plasmid that was introduced into the cell by conjugation. Partial diploid genotypes are written with the P segment...
In the lac operon, 1 codes for the repressor protein, P is the promoter which is necessary for binding RNA polymerase, O is the operator, and Z codes for the B-galactosidase. Assuming (+) denotes the wild type for a particular locus, (-) denotes a lack of a particular gene product or function, O^c is a constitutive operator, and I^s is a super repressor. Use a "+++" sign to indicate that significant quantities of functional B-galactosidase are present, a '+' sign...
The lac operon consists of a promoter that initiates
transcription of the gene i, which encodes a repressor protein. A
seperate promoter, p, within the operon initiates transcription of
z, which encodes B-galactosidase, and y, which encodes permease.
The operator, o, where the repressor protein binds to inhibit
transcription, is positioned between mutations, whereas superscript
c denotes a constitutively active mutant. The table below sea fives
the activity of B-galatosidase and permease for haploid and diploid
mutant strains. Match the...
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Please help me with FLOWCHART and UML diagram for class,
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