You now add tryptophan to the cell. What would happen to the bacterial cell and its trp operon?

Q: The diagram below represents a hypothetical operon in the bacterium E. coli. The operon consists of…

A: Operon  Operon is a place within the DNA which have several gene and all these genes are controlled…

Q: Explain and give examples of Inducible & Repressible Operons. Describe what types of protein…

A: Inducer: Inducer is the substance that causes the gene for protein synthesis to be activated.…

Q: The process in which the two-dimensional structure of RNA from the L region of an operon can either…

A: The strategy of creating an RNA duplicate of a grouping is transcription. The transcript, known as…

Q: Explain why large amounts of transcript result when a bacterium with a lac Operon is in a medium…

A: Transcription is the process by which RNA is synthesized from DNA. The messenger RNA or mRNA…

Q: P₁0 ORF1 t₁ ORF2 ORF3 t₂ The diagram above illustrates an operon that is regulated by the RepR…

A: An operon is a group of genes and the regulatory elements that regulate the expression of those…

Q: A mutant E. coli strain has been discovered that has a non-functional lac operon. It's genotype is…

A: In order for the mutant E. coli strain to produce β-galactosidase, a mutation would be needed in the…

Q: 5' 3' ORF1 ORF2 ORF3 ORF4 ORF5 1. Above are pictured 2 operons, one that includes ORF1 and OFR2 and…

A: The production of RNA from DNA is known as transcription that occurs within the cytoplasm of…

Q: 1. Complete the following table based on your lac operon simulations. Absence of lactose Presence of…

A: An operon is a group of genes that are transcribed at the same time. The lac operon consists of…

Q: Considering the Lac operon in E. coli, and chose what the expression of Lac Y would be in:  I) E.…

A: Lac l is the gene  which synthesizes repressor.Actually repressor is a protein that binds to the…

Q: What would likely result from a mutation in the lac operon promoter that increases the number of RNA…

A: RNA polymerase is the enzyme that polymerises messenger RNA (mRNA) over the DNA molecule. This…

Q: Fill in the 2 blanks: The lac operon is an example of (blank 1)_______ control in which the presence…

A: An operon is a cluster of genes which is controlled by a single promoter. Lac operon, also known as…

Q: Please answer the following question

A: Hope it help answer your questions. Let me know if you have any clarification. Thank you.

Q: Describe the main functional differences between the TRP and the Lac operons. Main functional…

A: TRP stands for tryptophan. It is an essential amino acid that must be obtained from the diet and is…

Q: You are growing E. coli in a laboratory in order to study their operons. The growth media you are…

A: 1. What effect does lactose have on the bacterial cell’s lac operon? Answer:- It induces the operon,…

Q: What are the operon fusion and the gene fusion? How can they be used for studying gene expression in…

A: Fusion gene is a hybrid gene formed from two previously independent genes or ORFs (Open Reading…

Q: IPTG Absent IPTG Present B-Galactosidase Permease B- Permease Galactoßsidase + O+ z+ Y+ + IS ot z+…

A: Lac operon is the segment of DNA which consists of regulatory gene (I), promoter gene (P), operator…

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

A: According to the question, we have to mention the strain which has the highest beta-galactosidase…

Q: Gene (a) regulation prokaryotic genes are often grouped into" is a normal gene that can be mutated…

A: Gene regulation is the process which ensure expression of particular gene at particular time by…

Q: Outline the operon theory using the lac operon as anexample

A: Operon consists of genes placed in sequential order. Lac operon has following genes- Regulator gene…

Q: (MC) What is the function of lactose in regulation of the lac operon? 1. activates a repressor…

A: Operons are a group of enzymes and regulatory sequences.

Q: Trp operon of E. coli is an inducible sytem since it turns on in the presence of tryptophan. In most…

A: DNA codes for proteins, which occur in three stages: replication, transcription, and translation.…

Q: Many amino acid biosynthetic operon under attenuation control are also under negative control.…

A: In bacteria, transcriptional attenuation is a common means of regulating gene expression in response…

Q: Resection of a bacterial chromosome in which genes for the enzymes of of a particular metabolic…

A: Genetic information is inherited to generations by means of DNA. The DNA has many genes that code…

Q: The symbols a, b, and c in the table below represent theE. coli lac system genes for the repressor…

A: Answer a. a = lacO; b = lacZ; c = lacI .   Explanation: You've been told that a, b, and c stand for…

Q: What effect does lactose have on the bacterial cell’s lac operon?  What does the absence of glucose…

A: Lac operon is inducible operon. When glucose in not sufficient for the bacterial cell, it utilizes…

Q: 1) A. What is the difference between a repressible vs, an inducible operon?   B. Using diagrams…

A: The answer is given below

Q: The TRP operon is regulated by two mechanisms, the TrpR regulatory protein and attenuation.…

A: The TRP operon is a well-studied genetic system that plays a crucial role in regulating the…