Please draw a concept map using the following terms for regulation Repressor, Inducer, Induction, Negative regulation, Repression, Operator, Positive Regulation, Activator, Sigma-32, Sensor Kinase, Two-componenet Regulation, Lac operon, Heat shock, Catabolite repression, trp operon, Feedback inhibition, Protein Stability, Sigma factors, Response regulator, Riboswitch, Homoserine Lactone, Quorum sensing, Autoinducing Peptide, RNA regulation, Antisense RNA

Please draw a concept map using the following terms for regulation Repressor, Inducer, Induction, Negative regulation, Repression, Operator, Positive Regulation, Activator, Sigma-32, Sensor Kinase, Two-componenet Regulation, Lac operon, Heat shock, Catabolite repression, trp operon, Feedback inhibition, Protein Stability, Sigma factors, Response regulator, Riboswitch, Homoserine Lactone, Quorum sensing, Autoinducing Peptide, RNA regulation, Antisense RNA

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Description: Please draw a concept map using the following terms for regulation Repressor, Inducer, Induction, Negative regulation, Repression, Operator, Positive Regulation, Activator, Sigma-32, Sensor Kinase, Two-componenet Regulation, Lac operon, Heat shock, C

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter14: Gene Regulation

Section: Chapter Questions

Problem 2TYU

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In the presence of tryptophan and the promoter sequence was mutated such that the RNA polymerase can no longer bind, the structural genes will:[ Select ] ["No longer be expressed", "Be constantly expressed", "Be deleted from the operon"] In the absence of tryptophan and the trpR repressor gene is mutated such that the repressor protein product can no longer bind to the operator, the structural genes will:[ Select ] ["No longer be expressed", "Be constantly expressed", "Be deleted from the operon"] In the presence of tryptophan and the trpR repressor gene is mutated such that the repressor protein product can no longer bind to the operator, the structural genes will:[ Select ] ["No longer be expressed", "Be constantly expressed", "Be constantly expressed"]
In the absence of lactose and the lacI repressor gene is mutated such that the repressor protein product can no longer bind to the operator, the structural genes will: [ Select ] ["No longer be expressed", "Be constantly expressed", "Be deleted from the operon"] In the presence of lactose and the lacI repressor gene is mutated such that the repressor protein product can no longer bind to the operator, the structural genes will: [ Select ] ["No longer be expressed", "Be constantly expressed", "Be deleted from the operon"]
A mutation at the operator site of a positive inducible operon that causes the sequence of the operator to change, would result in: Group of answer choices Activator unable to bind to DNA, transcription turned on Activator binds to DNA, transcription turned off Activator binds to DNA, transcription turned on Activator unable to bind to DNA, transcription turned off
Two component systems are common in bacteria to regulate the expression of specific genes in response to environmental signals. Which of the following can be said of two component systems? (mark all the answers that apply) An intracellular response regulator is involved in the response. A membrane-bound sensor kinase is typically involved. A membrane transporter is required to transport a molecular signal into the cell, which then serves as an inducer of transcription for an operon. Molecules are pumped out of the cell through one molecular compnent, and transported back in through a second molecular component.
The figure above shows the structure of lac operon. Which of the following BEST describes what happens in the presence of lactose? Select one: Repressor-lactose complex forms, both the complex and RNA polymerase bind to R. Transcription of S is initiated. Repressor-lactose complex forms and the complex will not bind to R. Transcription of S is initiated. Both repressor and RNA polymerase bind to R. Transcription of S is initiated. Repressor-lactose complex forms and the complex binds to R. Transcription of S is prevented.
In the absence of tryptophan and the promoter sequence was mutated such that the RNA polymerase can no longer bind, the structural genes will:[ Select ] ["No longer be expressed", "Be constantly expressed", "Be deleted from the operon"] In the presence of tryptophan and the promoter sequence was mutated such that the RNA polymerase can no longer bind, the structural genes will:[ Select ] ["No longer be expressed", "Be constantly expressed", "Be deleted from the operon"]
What is the function of cAMP in regulation of the lac operon? Group of answer choices it activates a repressor protein it activates an activator protein it inactivates an activator protein it inactivates a repressor protein
According to the operon model, for the synthesis of an inducible enzyme to occur, the end-product must not be in excess an inducer must bind to the enzyme an inducer must bind to the repressor repressor must bind to the operator repressor must not be synthesized
For the lac operon, when glucose is absent and lactose is present ___________ None of the options cAMP-CAP is bound to the operator and the repressor is not bound to the promoter cAMP-CAP is not bound to the promoter and the repressor is bound to the operator cAMP-CAP is bound to the promoter and the repressor is not bound to the operator
A mutation at the operator prevents the regulator protein from binding. What effect will this mutation have in the following types of operons? a. Regulator protein is a repressor of a repressible operon. b. Regulator protein is a repressor of an inducible operon.
a. What is the function of operons in bacterial gene regulation? b. Describe how a bacterial operon can be regulated by repressible proteins (such as the tryptophan operon). Include in your description both the “on” and “off” states of the operon. Key elements of your diagram should include: Co-repressor, Genes, mRNA, Operator, Operon, Promoter, Repressor, RNA polymerase.
Use the lac operon to describe the process of controlling transcription through operons (structural gene, operator (vs. promoter), inducer, repressor, regulatory gene)