In eukaryotic transcription what is the function of a histone chaperone? Of a chromatin remodeling complex? Of Mediator?
Q: How does histone variation regulate gene expression in eukaryotic cells?
A: In the nucleus DNA is coiled and packed in the form of chromosomes. DNA wounds on histone and forms…
Q: Is chromatin structure is altered in transcription? Explain
A: Solution- Chromatin- It is a thread like structure in nucleus. it's uncondensed molecules of DNA…
Q: Discuss the roles of histones in eukaryotic transcription. How might histones inhibit transcription,…
A: Histones are proteins that gather and design the DNA of eukaryotic cell cores into units called…
Q: Typically, increased acetylation and decreased methylation of histone N-terminal tails in…
A: Histone acetylation and deacetylation are the processes by which the lysine deposits inside the…
Q: Why Transcription Requires Changes inChromatin Structure and NucleosomePosition?
A: Gene regulation is a mechanism which acts to either induce or repress the gene expression. It…
Q: Once pioneer transcription factors bind and attract chromatin remodelers, what do these chromatin…
A: The pioneer transcription factors are activators, they can associate with condensed chromatin. It…
Q: In transcription, what is/are the importance of the series of nucleotide bases before the coding…
A: The coding region before transcription flanked by promoter sequence on 5' end on the template strand…
Q: What chemical and structural properties of histones enable them to successfully package eukaryotic…
A: Histones are basic proteins found in eukaryotic cells that associate with DNA by packaging the DNA…
Q: In transcription, what is/are the importance of the sense and missense/antisense strands
A: Transcription: The process of transcribing a piece of DNA into RNA is known as transcription.…
Q: What is the difference between chromatin-remodeling and histone modification?
A: In any event nine unique sorts of histone changes have been found. Acetylation, methylation,…
Q: What are the two main circumstances necessary for active transcription?
A: Every living organism has Deoxyribonucleic acid (DNA). DNA has a recipe for synthesizing proteins.…
Q: Define about transcription activator-like effector nucleases (TALENs) ?
A: The targeted alternation in sequence of DNA can be achieved by many engineered nuclease. TALENs are…
Q: Euchromatin is said to be transcriptionally-active while Heterochromatin is said to be…
A: Euchromatin exists in decondensed form and is found in the distal arms of the chromosome. It is…
Q: How might nucleosome eviction affect transcription?
A: If the nucleosome is repositioned from its original place. Two possibilities might be seen- 1)The…
Q: How chromatin remodeling and chromatin modifications are necessary to make cis-acting regulatory…
A: In past few years, for the identification and characterization of the ATP-dependent…
Q: How do nucleosomes add to the complexity of eukaryotic transcription?
A: Nucleosomes' primary role is the packaging of DNA into the cell nucleus. The nucleosome is made up…
Q: How does histone acetyltransferase affect nucleosome structure and transcription?
A: Histone acetyltransferases (HATs) are enzymes that acetylate conserved lysine residuals on histone…
Q: Explain the difference between prokaryotic and eukaryotic transcription. Explain the difference…
A: We are answering the first three for rest kindly repost
Q: Since eukaryotic chromosomes are assembled with histone proteins, how are replication and…
A: Histone These are the proteins that are basic in nature as they are abundant in the amino acids…
Q: Is heterochromatin transcriptionally active?
A: Deoxyribonucleic acid (DNA) is the genetic material made up of nitrogenous bases, pentose sugars,…
Q: What is the purpose of heterochromatin and does heterochromatin transcribed?
A: Heterochromatin is a condensed or tightly packed form of DNA that comes in multiple varieties. These…
Q: What is meant by the term histone code? With regard to gene regulation, what is the proposed role of…
A: The mechanism that acts to suppress or induces the gene expression is called gene regulation. These…
Q: For eukaryotes, how do mediators, gene-specific transcription factors (activators/repressors),…
A: Ans -The mediator is a multiprotein complex found in all eukaryotes that acts as a transcriptional…
Q: Describe events associated with the process of transcription in eukaryotic cells. How is the process…
A: RNA polymerase II transcribes protein-coding genes into messenger RNAs (mRNAs) that carry the…
Q: Briefly describe three stages of transcription. How is transcription initiated? How is…
A: Transcription the process in which RNA is formed from the DNA that is present in the nucleus of the…
Q: Describe two different ways that histone modifications may alter chromatin structure.
A: Chromosomes appear at the time of cell division in the form of thread like structures inside the…
Q: Explain, How does histone acetylation alter chromatin structure?
A: DNA is the genetic material present in the cell.
Q: what is/are the importance of the sense and missense/antisense strands and 2. what are the…
A:
Q: Is chromatin structure is altered in transcription?
A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…
Q: Explain why histone eviction is needed for the elongation phase of transcription.
A: Introduction: Transcription is a process in which DNA codes are transcribed into RNA codes. In…
Q: Which region of chromatin is transcriptionally silent?a) Nucleoidb) Centromerec) Euchromatind)…
A: Deoxyribonucleic acid (DNA) is a molecule composed of two polynucleotide chains. It coils around…
Q: What is allosteric repressor ?
A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and…
Q: What would be the effect on transcription if a mutation occurred in the gene that encodes GAL3, so…
A: Transcription is a very significant level of gene expression control in eukaryotes and needs various…
Q: What are the major types of covalent modification of histones?
A: The major types of covalent modifications of histone proteins are as follows:
Q: What are the roles of histone deacetylation and histoneacetylation in gene regulation, respectively
A: A gene is the essential physical and functional unit of heredity. They are comprised of DNA…
Q: What are some of the processes that affect gene regulation by altering chromatin structure?
A: The mechanism of encoding of proteins by a gene which regulates cellular functions is known as gene…
Q: Which is the expected outcome following the deacetylation of histones?
A: Ans - a) Coiling of chromatin, preventing it from being accessed by the transcriptional machinery.…
Q: How does the binding of transcriptional regulator proteins to enhancers affect transcription at…
A: Introduction Protein is the key biomolecule in the biological system, any important physiological…
Q: What are epigenetic marks? Which are associated withheterochromatin? How are epigenetic marks…
A: DNA/RNA is the genetic material of organisms. This genetic material is in charge of character…
Q: how does phosphorylation of eukaryotic transcription factors regulate the function, using two types…
A: Introduction - Phosphorylation is a biological process in which phosphate is added to an organic…
Q: What is meant by the term chromatin remodeling? Describe the importance of this process to…
A: Chromatin remodeling:It is the chromatin rearrangement from a condensed condition to a…
Q: In eukaryotic transcription, what is the function of a histone chaperone? Of a chromatin remodeling…
A: During transcription process, the histone chaperones are involved in the chromatin disassembly and…
Q: Why is transcriptionally active chromatin ∼10 times more susceptible to cleavage by DNase I than…
A: Chromatin : It is the material that makes up a chromosome that consists of DNA and proteins. The…
Q: What changes take place in chromatin structure, and what role do these changes play in eukaryotic…
A: Step 1 DNA (deoxyribonucleic acid) coil many times to fit into the cell’s nucleus. The DNA to attain…
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- In eukaryotic transcription, what is the function of a histone chaperone? Of a chromatin remodeling complex? Of Mediator?Describe events associated with the process of transcription in eukaryotic cells. How is the process different in prokaryotic cells?For eukaryotes, how do mediators, gene-specific transcription factors (activators/repressors), general transcription factors, and RNA polymerase interact? How do they initiate transcription?
- Define about transcription activator-like effector nucleases (TALENs) ?how does phosphorylation of eukaryotic transcription factors regulate the function, using two types of regulatory effects of phosphorylation on named transcription factorsWhat are general transcription factors? When do you expect to find them? What is a cis acting regulatory sequence? Where are they located in comparison with the gene they are regulating?
- What are the major types of covalent modification of histones?Briefly describe three stages of transcription. How is transcription initiated? How is transcription terminated?In 3-4 sentences eachExplain the difference between prokaryotic and eukaryotic transcription. Explain the difference between an activator and a repressor? Explain the difference between a promoter and an enhancer? Explain the difference between an intron and an exon? Explain what happens when eIF-2 is phosphorylated and when it is not phosphorylated?