Q: Describe the difference between positive control andnegative control of gene expression.
A: An Operon is a unit of structure and function that consists of the clusters of regulatory genes…
Q: compare how histones and micro RNA control gene expression.
A: Histones are protein molecules associated with the DNA structure that control it's activity. Micro…
Q: A person treated successfully by gene therapy will still have a defective copy of the gene. Explain…
A: Genes are the basic unit of heredity. The study of heredity is called Genetics. The father of…
Q: Describe one biological process that uses epoigentic gene regulation?
A: Epigenetic mechanisms are are the key to gene regulation and expression. They hold access to gene…
Q: Briefly explain how gene expression occurs at the molecular level.
A: Genes are the basic biological unit of heredity. They are a segment of deoxyribonucleic acid (DNA)…
Q: Describe how a cell can increase or decrease its expression of particular genes, and why this…
A: An increase or decrease in gene expression can regulate the synthesis or inhibition of proteins.…
Q: Explain the single transcription factor can be both an activator and a repressor
A: Introduction Protein is the key biomolecule in the biological system, any important physiological…
Q: Describe the relationship between gene regulation and gene activity in a cell.
A: A gene is a specific region of DNA with the information to make protein. Genes control the genetic…
Q: A principle of biology is the genetic material provides ablueprint for reproduction. Explain how…
A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. It consists of purines and…
Q: Define the Control of Gene Expression in Eukaryotes ?
A: Gene expression in eukaryotes can be regulated during three stages: During chromatin accessibility…
Q: Explain gene regulation in prokaryotes and eukaryotes
A: In both the groups such as prokaryotes and eukaryotes, gene regulation is carried out. However, the…
Q: Compare and contrast regulation of gene expression in prokaryotes vs. eukaryotes.
A: Prokaryotic organisms are single celled organisms that lack a cell nucleus,and their DNA therefore…
Q: Describe the mechanisms by which gene regulation is controlled by changes in the concentration of…
A: Autoinducers are small molecule (Low Molecular weight) proteins readily diffusible through the…
Q: Gene expression can be viewed at which of the following levels?a. Molecular and cellular levelsb.…
A: Gene expression is a process by which genetic code is converted to functional protein or non-protein…
Q: Explain why bacterial and eukaryotic cells have different mechanisms of gene regulation.
A: Bacterial cells grow rapidly and have a relatively short life. Transcriptional-level control is the…
Q: In general, why is it important to regulate genes? Discuss examples of situations in which it would…
A: Genes are sets of nucleotides that codes for a particular protein. The genes have to be expressed…
Q: Explain how mutations cause variation in genes.
A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…
Q: Explain how regulation of eukaryotic genes differs from regulation of bacterial genes.
A: Eukaryotic genes are the genes that have one mRNA and bacterial genes are the genes that have…
Q: Explain how gene expression may be regulated by a cell.
A: Gene interaction is a wide term phenomenon to explain the collective role of multiple genes in…
Q: Explain why cells need to control gene expression.
A: Gene expression is the process in which the functional gene is produced by the gene containing…
Q: Explain how a mutation within a non-coding sequence may alter gene function.
A: Deoxy ribonucleic acid (DNA) is the genetic material of most organisms that carry coded genetic…
Q: Comment on how an understanding of gene control mechanisms in cells could translate into ways to…
A: Introduction Gene expression:- It is the process by which information from a gene is used to make a…
Q: Outline how the expression of genes leads to an organism’straits?
A: Genetics is the branch of biology that involves in the study of genes, their patterns of…
Q: Explain why some - but not all - of an organism’s genes are expressed.
A: The process of turning on a gene to produce RNA and protein is called gene expression. Each cell…
Q: Give examples of mutations that can have global effects on gene expression
A: The building blocks of DNA are called bases. The sequence of the bases determines the gene and its…
Q: Explain why gene expression would not be the same in allcells of an organism.
A: Gene expression refers to the process of converting the instructions in the DNA molecule to the…
Q: Explain how a reverse transcriptase activity within a cell can result in gene amplification.
A: Reverse transcriptase was the RNA dependent DNA polymerase enzyme where complementary DNA was…
Q: The most common type of regulation of gene expression occurs at the level of transcription. Name…
A: • Regulation of gene expression can occur at, 1) Post - transcription level by miRNA or siRNA 2)…
Q: Describe how new genetic information is introduced into an organism through gene splicing.
A: Gene splicing is a post transcriptional modification in which a single gene can code for multiple…
Q: What does "feed back" mean gene regulation in gene expression ?
A: A particular organism's genome has thousands of genes, however not all of these genes must be active…
Q: Explain why harmful mutations tend to disappear, while beneficial mutations become widespread.
A: When the nucleotides sequences in the genome of an organism are altered or changed due to mistakes…
Q: Explain why gene regulation is important to a cell.
A: Gene expression is the process through which information from a gene is used to create a functioning…
Q: Would the relative position where a transcription factor or an activator/repressor binds DNA be the…
A: Transcription occurs inside the nucleus and it require the presence of enzyme rna polymerase and in…
Q: Identify the eukaryotic level of gene regulation. Choose the correct answer below. a. Pre-…
A: Answer: Introduction: Eukaryotic cellular process is regulated in the transcription process and RNA…
Q: Describe the roles of promoters, enhancers, silencers, andinsulators in gene expression.
A: Gene expression is defined as the process by which genetic data encoded inside a gene is used to…
Q: Give examples of mechanisms of posttranscriptional gene regulation.
A: Ans: The regulation of genes after transcription or post-transcriptionally is referred to as…
Q: Identify the eukaryotic level of gene regulation. Choose the correct answer below. a. Pre-…
A: INTRODUCTION Eukaryotic level of gene regulation include epigenetic, transcriptional, post…
Q: With the aid of diagrams, and using specific examples, describe how gene expression is regulated in…
A: Transcription Is the process of formation of mRNA from DNA and this happens in the cytoplasm of the…
Q: Describe the ways in which scientists employ lacZreporter genes to study gene regulation
A: The lactose or lac operon of Escherichia coli (E.coli) is a cluster of three structural genes…
Q: Name one step of gene expression and describe one way that step differs between prokaryotes and…
A: The step of the gene expression is transcription. During this process the DNA sequence of a gene is…
Q: Compare and contrast bacterial and eukaryotic gene expression mechanisms.
A: Crick established the central dogma of molecular biology by explaining the flow of genetic…
Q: Which of the following options best depicts the flow of information when a gene directs the…
A: The journey from a gene to a cellular component (proteins) is a complex process and is strictly…
Q: Give three examples of the importance of consensus sequences to gene expression.
A: The transcription is a process through which information in the DNA molecule is transcribed into…
Q: Explain why the genetic code is said to be redundant and virtually universal, and discuss how these…
A: The flow of genetic information from DNA to proteins occurs via mRNA.
Q: compare regulating gene expression at the level of transcription to regulating gene expression at…
A: Gene expression is the process through which the genetic codes of a gene, the nucleotide sequence,…
Q: Using an example, explain why some mutations are not harmful.
A: Some mutations are beneficial to the organism in which they occur. Beneficial mutations are what…
Q: escribe a scenario where loss of function of a gene can result in gain of function of the pathway?
A: Mutations in some genes cause a gain of functions that is toxic to the cell and cause inappropriate…
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Solved in 2 steps
- A principle of biology is the genetic material provides ablueprint for reproduction. Explain how gene regulation is animportant mechanism for reproduction and sustaining life.Explain why master regulatory genes tend to be morestrongly conserved in evolution than are the downstreamgenes they regulate.Gene expression can be viewed at which of the following levels?a. Molecular and cellular levelsb. Organism levelc. Population leveld. All of the above
- Fill the blank Combinatorial strategies at the DNA level and RNA level,as well as __________ modifications of proteins,allow the production of highly diversified gene productseven from a single geneexplain how covalent modification of proteins regulate gene expressionExplain how/why Dolly the sheep is a powerful example of the importance of the regulation of gene expression.
- Name one step of gene expression and describe one way that step differs between prokaryotes and eukaryotes.horizontal gene transfer Explain how transposable elements facilitate the transfer of genetic information.Use the lac operon as an example to describe one way thatbacteria regulate gene expression