Please help me with this question within an hour immediately In the lac operon, what kind of control is exhibited by the CRP-CAMP complex?A. all these are correctOB. negative controlO C.constitutive controlOD. positive controlOE. negative and positive control

The operon system constitutes the unit of gene expression that occurs in bacteria. It is a…

In the lac operon, what kind of control is exhibited by the CRP-CAMP complex? O A. all these are correct O B. negative control O C. constitutive control OD. positive control OE. negative and positive control

In the lac operon, what kind of control is exhibited by the CRP-CAMP complex? O A. all these are correct O B. negative control O C. constitutive control OD. positive control OE. negative and positive control

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 9TYU: A mutation that inactivates the repressor gene of the lac operon results in (a) the continuous...

See similar textbooks

Related questions

Q: please answer Why is it useful to have two different mechanisms of positive regulation? I.e. why…

A: The L-arabinose operon, also called the ara or araBAD operon, is an operon required for the…

Q: What is the effect of high levels of glucose on the lac operon?a. Transcription is stimulated.b.…

A: An operon is found in bacteria and viruses as a genetic regulatory system. The gene coding for…

Q: What type of operon is arabinose operon? Dose the repressor bond when arabinose is I present or…

A: Introduction An operon is a functional segment of Dna that houses a collection of genes that are…

Q: Which of the following molecules is an inducer of the lac operon:a. Galactose d. Isothiocyanateb.…

A: The structural genes lac z, lac y, and lac in the lac operon code for beta-galactosidase (converts…

Q: As trytophan levels increase in the cell, _____ bind(s) to active aporepressors, causing ______ of…

A: trp operon: The trp operon codes for the components required for tryptophan production. An operon…

Q: A researcher was trying to determine whether two molecules (molecule A and molecule B) were co-…

A: CoRepressor - The function of the corepressor is to induce transcriptional silencing or to repress…

Q: When tryptophan is present The trp operon is transcribed O The trp operon is NOT transcribed Only…

A: for the given question 4. Tryptophan is present and help in the turning on and off of the trp…

Q: If glucose is absent, but so is lactose, the lac operon will be ________. a. activated b. repressed…

A: An operon is a genetic regulatory system found in bacteria and their viruses. Here, the gene coding…

Q: An operon is repressible—a small effector molecule turns off itstranscription. Which combination(s)…

A: Introduction:Two main stages are there at which gene is expressed: transcription and translation.…

Q: Which of the following statements about gene regulation is false? a. An operon contains DNA…

A: Introduction Gene expression is the process in which the genetic information present in the DNA…

Q: If a bacteria cell, that has the lac operon, is metabolizing lactose glucose is absent and…

A: We are answering first question. Pls repost for second question.

Q: Predict the effect on the activity of the lac operon of a mutation that disrupts the function of: a)…

A: The Catabolic Activator Protein (CAP) is a protein which acts as a positive regulating factor for…

Q: E. coli has five genes that code for enzymes that make tryptophan. These genes are regulated by a…

A: When a group of related genes exist under the control of a single promoter, it is referred to as an…

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: Which mutation would lead to no attenuation, but still allow for transcription and translation of…

A: In tryptophan operon there are four sequence sequence 1, 2, 3 and 4. There are two sequences that…

Q: If tryptophan is absent from the environment of E.coli, the trp operon will be _______ A) mutated…

A: trp operon It is defined as a group of genes which encode the biosynthetic enzymes for the…

Q: Considering the fec operon described above, under which conditions would the operon be off? Choose…

A: The protein synthesis process is started from the operon region that is actually worked as a switch.…

Q: If lactose and glucose are provided in the growth medium of a culture of E. coli, then a. Both…

A: Introduction: The correct choice is option d. Lac operon is repressed

Q: Which of these molecules is produced by a regulatory gene? O promoter O operator O operon O…

A: a gene that controls the creation of a protein (such as a genetic repressor) that limits the rate of…

Q: Explain how an inducible operon is regulated (make sure you include an explanation of how the CAP…

A: An operon is a sequence of bases encoding one or more polypeptides, as well as the promoter and…

Q: High levels of transcription of the lactose operon require all of the following, EXCEPT: A) O the…

A: Lac operon is a gene regulatory mechanism associated with bacterial species while using lactose for…

Q: In the trp operon, what happens to the trp repressor in the absence of tryptophan? a. It binds to…

A: An operon refers to a group of functionally-associated genes that are controlled by a shared…

Q: An operon that encodes enzymes that degrade ampicilin is most likely __________ . A) inducible B)…

A: Option A and B are the answer. An operon that encodes enzymes that degrade ampicilin is most likely…

Q: A low level of expression of lac operon occurs at all the time.can you explain the logic behid this…

A: The operon is the group of genes controlled by shared protein. Operons have multiple genes with…

Q: Why do eukaryotic cells not have a lac operon? A. Eukaryotic cells cannot transcribe multiple genes…

A: Lac operon is a gene regulating unit present in prokaryotes. It consists of a promoter, repressor,…

Q: In the lac and trp operons, the repressors are said to be "allosteric molecules" because they…

A: Operons are regions present in DNA which are composed of related genes.Operons are generally found…

Q: Say you have an operon called the CAKE operon, it contains genes for the enzymes require to convert…

A: An operon consists of a set of genes regulated by a single promoter. The products of these genes are…

Q: The absence of tryptophan (trp) in E. coli A) O produces an inactive trp repressor B) O causes…

A: The gene regulation in prokaryotes (E. coli) is controlled by operon system. On operon system…

Q: A mutation at the operator prevents the regulator protein from bindingWhat effect will this mutation…

A: A group of genes that are transcribed under a single promoter and an operator is referred to as…

Q: If a researcher moves the operator to the far end of the operon, which of the following processes…

A: An operator is a genetic sequence that helps the DNA sequence to attach proteins in charge for…

Q: give an example of an operon that is under negative control e. repressor f. give an example…

A: Operon is a controlling unit ab gene expression in prokaryotes. Examples of Prawns are Lac Operon…

Q: . If a particular operon encodes enzymes for makingan essential amino acid and is regulated like…

A: An operon is a functional unit of DNA (Deoxyribonucleic acid) including a gene clusters under the…

Q: dỗ the lác, trp repressor and CAP protein have in common? O They have a Helix-Turn-Helix Motif O…

A: Bacteria employ polycistronic expression of genes. The genes are arranged as a unit called an…

Q: The lac operon is usually in the ________ position and is activatedby a/an ________ molecule.a. on,…

A: An operon is a group of genes, which have a common regulator and promoter and also transcribed as a…

Q: A mutation occurs in the lac operon operator site such that LacI can no longer bind to the operator…

A: Lac I stands for lac inhibitor. It's major function is to turn off the lac operon in the absence of…

Q: In the trp operon, if a mutation occurred in the gene for the repressor so that it could bind to the…

A: Bacteria like Escherichia coli (a friendly gut bacterium) require amino acids to survive since they,…

Q: Which of the following is characteristic of genes and gene regulation in both bacteria and…

A: Genes are generally defined as the way that they are been collections of nucleotides that code for a…

Q: The lac operon produces: (choose the best answer) O A single mRNA molecule O A single protein O A…

A: Transcription: It is the process through which the enzyme RNA Polymerase transfers information from…

Q: In the txp operon, a repressor protein acquires a mutation such that it cannot bind to tryptophan.…

A: BASIC INFORMATION TRYPTOPHAN OPERON This system is known as Repressible Operon System. It can also…

Q: Consider a hypothetical operon for alanine degradation. Alanine would most likely influence the…

A: Alanine is an amino acid that is catabolized in the enzymatic processes.

Q: Catabolite activating factor (CAP) senses and the…

A: E.coli and other bacteria metabolize glucose preferentially even in presence of lactose and other…

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: What would occur if the repressor of an inducible operon were mutated so it could not bind the…

A: The operon is the gene regulation system in prokaryotes that ultimately responsible for the…

Q: The regulator protein that acts on a negative repressible operon is synthesized as a. an active…

A: Operons consist of multiple structural genes grouped together with a promoter and an operator along…

Q: Say you have an operon called the CAKE operon, it contains genes for the enzymes require to convert…

A: The operon model is considered as a cluster of functional genes that are activated in response to…

Q: What is RNA polymerase doing on the lac operon in the presence of lactose? it is inactive and not…

A: In 1961, Jacob and Monod formulated the operon model in bacteria (E.coli) to know how the regulation…

Q: ill the Lac Operon be turned off or on if the allolactoase is

Q: Which of the following statements about the lac operon is correct? 1. lacZ, lacY and lacA proteins…

A: Introduction : Lac Operon - Regulatory gene is Lac I . Structural genes are lacZ, lacY and lacA.…

Q: In the ara operon in E. coli cells, AraC will bind to its specific target DNA when O a. when there…

A: AraC protein can shift from the state of its preference to loop DNA (when arabinose is absent) to…

Question

Please help me with this question within an hour immediately

In the lac operon, what kind of control is exhibited by the CRP-CAMP complex?
A. all these are correct
OB. negative control
O C.constitutive control
OD. positive control
OE. negative and positive control

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.

Similar questions

Which of these BEST DESCRIBE tryptophan in the Trp Operon? A. Acts as a corepressor B. Acts as a coactivator C. Acts as an inducer D. Acts as an enhancer
Which of the following molecules will experience a large change in cytoplasmic concentration whenthe above tryptophan operon is turned on (in E. coli cells)?A. tryptophan molecules will decrease in concentrationB. lactose molecules will decrease in concentrationC. tryptophan molecules will increase in concentrationD. lactose molecules will increase in concentrationE. none of the above
In the lac operon, regulation of gene expression by CAP-CAMP is a type of O a. positive repressible O b. Negative inducible O c. positive inducible O d. negative repressible
In terms of gene expression, the regulation of lac operon is an example of? A. Post-transcriptional regulation B. Alternative splicing C. Splicing D. Transcriptional regulation E. Post-translational regulation
Which of the following molecules is an inducer of the lac operon:a. Galactose d. Isothiocyanateb. Glucose e. cAMPc. Allolactose f. Lactose
In the txp operon, a repressor protein acquires a mutation such that it cannot bind to tryptophan. What will be the effect on the trp operon? 1. turned off permanently 2. turned on permanenty 3. constitutive4. a and c5. b and c
Match the key complex or product to its related process of regulating gene expression. a. Constitutive genes b. Operons c. The lac operon d. An operator e. A repressor f. The trp operon g. Tryptophan h. A promoter 65. is induced by the presence of lactose in the environment. 66. is a repressed by the presence of tryptophan in the environment. 67. are regions of clustered genes under the control of one promoter.
When tryptophan levels in the cell are low A the trp repressor will be bound and the operon transcribed B the trp repressor will not be bound and the operon transcribed C the trp repressor will not be bound and the operon not transcribed D none of the above
IPTG (isopropylthiogalactoside) is commonly used to induce protein expression in Lac operon-regulated gene in E. Coli, because IPTG a. is a repressor to Lac operon. O b. is an enhancer binding compound. O C. O d. unwinds DNA, leading to DNA duplication and transcription. is a mimetic of allolactose, that binds to repressor, causing it release from the operator of the lac operon, leading to transcription.
A mutation that inactivates the repressor gene of the lac operon results in (a) the continuous transcription of the structural genes (b) no transcription of the structural genes (c) the binding of the repressor to the operator (d) no production of RNA polymerase (e) no difference in the rate of transcription
Binding of _______ to _______ in DNA can increase the rate of transcription of specific genes. a. activators; repressors c. repressors; operators b. activators; enhancers d. repressors; enhancers
An operon is repressible—a small effector molecule turns off itstranscription. Which combination(s) of small effector molecule andregulatory protein could be involved in this process?A. An inducer plus a repressorB. A corepressor plus a repressorC. An inhibitor plus an activatorD. An inducer plus an activator