-A wild-type strain. -A strain that contains a 15 base-pair deletion in the lac operon operator sequence. -A strain that contains a nonsense mutation in the gene that encodes the CRP protein. This nonsense mutation occurs in the region that Strain #1 Strain #2 Strain #3 corresponds to the DNA binding domain of the CRP protein

Q: Strain X-23 has a mutation in the lacI gene resulting in a lacI protein that cannot bind DNA.…

A: Gene regulation at the level of transcription in bacteria is achieved by the operon model. Operon…

Q: Here is a another cell with 2 copies of the lac operon. Same directions and points as the previous…

A: Lac operon is responsible for break down of lactose into glucose and galactose. It is the segment of…

Q: In fruit flies, the sex development gene contains six sections. If sections 1,2,3,5, and 6 are…

A: Fruit fly is commonly known as Drosophila melanogaster and is typically used in research owing to…

Q: he bands indicated by arrow "A" (to the left of the western blot) most likely represent:   A.…

A: The bands indicated by arrow "A" (to the left of the western blot) most likely represent:-

Q: Describe the terms: Transformation Operon Recombination

A: Hello you have asked question with multiple subparts. We will be able to answer only first three.…

Q: 1.True or false: In a bacterial species with a "lac operon", the repressor protein will be bound to…

A: Prokaryotic gene regulatory system is known as operon system. In this process the expression of…

Q: Vocabulary Words: (List at least 4 key words and define them) Define all of them: Operon: RNA…

A: In molecular biology the central dogma is the main process by which proteins are produced from the…

Q: Define the following terms: Operon ORF Promoter Terminator polycistronic Oric Sigma subunit Pribnow…

A: In keeping with the guidelines of Bartleby and in order to provide correct and quality answers,…

Q: Strain LOLZ has a mutation in the lacI gene that results in a lacI protein that cannot bind…

A: Lac operon is the segment of DNA which is responsible for breaking down of lactose into glucose and…

Q: The trp operon in E. coli encodes enzymes essential for the biosynthesis of tryptophan. In the…

A: trp operon is a repressor operon found in E. coli bacteria, which consists of a group of genes that…

Q: Strain X-23 has a mutation in the lacI gene resulting in a lacI protein that cannot bind DNA.…

A: The operon model is applicable in bacterial gene regulation and some lower eukaryotes gene…

Q: Predict the growth/color pattern you'd expect for constitutive mutants for the lac operon. Table 1:…

A:

Q: 5f. Complete the diagrams below to reflect the proteins and any relevant cofactors (e.g. -…

A: The lac operon is an operon, or cluster of genes with one promoter (transcribed as one mRNA). The…

Q: You grow bacteria in media where the only carbon source is lactose (rich lactose media). Which of…

A: Introduction- Lysogen is defined as the strain of bacteria affected by a virus, i.e., a phage that…

Q: Complete the diagrams below to reflect the proteins and any relevant cofactors (e.g. -…

A: Exergonic reactions have negative free energy change Where are endergonic reactions have positive…

Q: Match each of the following mechanisms with how it can change the levels of gene products--whether…

A: Operons are DNA segments that include groups of associated genes. They consist of a promoter region,…

Q: Explain the The Operon Model: Negative Control ?

A: The lac operon of E. coli contains genes involved in lactose metabolism. It is expressed only when…

Q: A novel operon is controlled by two regulatory systems that function in a hierarchy. The first is…

A: An operon can be defined as the cluster of coordinately controlled and regulated genes. It is…

Q: 8. Of the following molecular events, which is the most critical for phenotypic expression? a. the…

A: Introduction :- Molecular biology involves many kind of molecular events that takes place inside the…

Q: Choose the best options, by dragging and dropping the colour coded text boxes below, that fill in…

A: Operon is transcription unit of prokaryotic genome with consist of many contiguous structural genes…

Q: ptoph had a mutation on the repressor, not allowing it to bind with tryptophan. The repressor is…

A: Operons are proteins encoded together as a block that performs specific functions and are involved…

Q: he lac operon, determine whether genes will be expressed (on) or silenced (off) given the following:…

A: IN option A Lactose levels are high, glucose is low.---- Genes will be expressed(on).

Q: 5f. Complete the diagrams below to reflect the proteins and any relevant cofactors (e.g. -…

A:

Q: In a bacterial operon, the active repressor bind to the   A. promoter.   B. terminator.   C.…

A: The operon concept can be defined as a DNA containing a set of genes that are transcribed basically…

Q: Explain how the lac operon can be used to express a recombinant protein in an E. coli cell.

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: In prokaryotes, structural proteins in a single biochemical pathway are usually found as a(n)…

A: An organism's genome contains all of its genetic information. It gives the organism all of the…

Q: Strain P77 has a mutation in the lacO that prevents it from being bound by the lacI protein.…

A: The operon model is applicable in bacterial gene regulation and also applicable in some lower…

Q: Strain P77 has a mutation in the lacO that prevents it from being bound by the lacI protein.…

A: Gene regulation at the level of transcription in bacteria is achieved by the operon model. Operon…

Q: Provide the SIGNIFICANT differences between the following: 1. Operon Systems Inducer/Lac…

A: An operon is a cluster of functional genes which are regulated by the common operator. Operons…

Q: The genotypes of five merozygote bacteria are shown below. In each set, the genotype of the lac…

A: In bacteria and their viruses, an operon is a genetic regulatory structure in which genes coding for…

Q: Please answer fast If the plasmid Lac operon has a mutated lacO operator gene that prevents the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: ATTTGAGCC- Original ATTGAGCC - Mutated   The example above is an example of a  Nonsense Deletion-…

A: Any detectable , inheritable qualitative or quantative change in genetic material of an organism not…

Q: Strain ROFL4 has a premature stop mutation in the lacZ gene, resulting in a nonfunctional…

A: Answer: lac Z gene is the gene in lac operon where it is responsible for the formation of…

Q: Regarding the trp operon: when levels of tryptophan are low, the ___ hairpin forms, resulting in…

A: Trp operon is negatively regulated by tryptophan which means in low concentration of tryptophan the…

Q: Strain ROFL4 has a premature stop mutation in the lacZ gene, resulting in a nonfunctional…

A: Gene regulation at the level of transcription in bacteria is achieved by the operon model. Operon…

Q: What is/explain stochiometry matrix for lac operon model

A: The transcription state of a genome is controlled by complex regulatory networks. These…

Q: You have E. coli growing in HIGH lactose and HIGH glucose. You measure the amounts of protein and…

A: The E.coli is growing in a medium rich in lactose and Glucose both. There are two regulatory…

Q: The operator of the lactose operon in E. Coli is located:     between the promoter and the…

A: The lac operon in Ecoli is concerned with the digestion process of the lactose sugar. For this gene…

Q: On this gene map, there are sections where large chunks of the same color are present. These might…

A: The gene or genes which gets transcribed when the operator is bound are known as operons.

Q: Attardi et. al (1963) found that lactose operon synthesis in E.coli increased with the addition of…

A: operon, a genetic regulatory system found in bacteria and their viruses that clusters genes coding…

Q: Select all of the cis-acting regulatory elements of the lac operon. Operator CAP+cAMP CAP+cAMP…

A: lac operon: - Inducible system - Both positive and negative regulation - Involved in lactose…

Q: Decide which operon each of the following characteristics applies to. Note: a description may apply…

A: Introduction "In E.coli And Other Bacteria, The Lac Operon Is An Operon Or A Set Of Genes With A…

Q: Which will be bound to the Lac Operon in an environment with lactose and glucose? A) both repressor…

A: The bacteria comprise many operons and one of the important operons is lac operon. Lac operon is…

Q: To characterize the promoter of the gadA operon you made a series of deletion mutants removing…

A: Gad A gene expression is found in the bacteria. They have operon structure in which regulatory,…

Q: The following represents a eukaryotic operon. a.true b.false DNA Promoter Region -35 Box -10 Box -1…

A: An operon is a functional unit of DNA comprising a collection of genes dominated by a single…

Q: humber of mutations affect the expression of the lac operon in E. coli. The genotypes of several E.…

A: Lac operon is a genetic unit that produces the enzymes necessary for the digestion of lactose. It is…

Q: The promoter of an operon is the site to which RNA polymerase binds to begin transcription. Certain…

A: Promoter is a binding site for the RNA polymerase in the gene. The RNA polymerase is involved in the…

Q: A constitutive mutation in the lac operon may be of several types. [Note that constitutive means…

A: A constitutive mutation in the lac operon may be of several types. Here we have to choose two types…