Describe nucleosome supercoiling and its relationship to the radial loop–scaffold model of chromatin packaging.

Q: Define enhanceosome.

A: The enhanceosome can be defined as:

Q: Define chromatin-mediated repression.

A: Histone is the basic protein abundant in lysine and arginine residues, which are located in the…

Q: In eukaryotic chromatin, tightly coiled scaffolding proteins would indicate a region where genes are…

A: The chromatin structure of the DNA includes the long helical structure of the DNA and the histone…

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: Chromatin Immunoprecipitation (ChIP) experiments enable researchers to measure the levels of…

A: LPS (lipopolysaccharide) treatment results in the recruitment of the transcription factor NfkB and…

Q: Given the following stretch of mRNA, what would be the sequence of the corresponding non-template…

A: DNA stands for deoxyribonucleic acid. It is the genetic material of cell.

Q: Name four major classes of DNA-binding proteins that are responsible for controlling transcription,…

A: Replication protein A Transcription factor  TAL effectors Zinc finger

Q: Which transcription systems that require TBP?

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: Draw a labelled diagram depicting the flow of genetic information from DNA to mRNA of a eukaryotic…

A: A fundamental principle that describes how genetic information moves throughout a biological system…

Q: Transcription factors function in the nucleus. However, like (almost) all eukaryotic proteins, they…

A: Proteins called transcription factors bind to adjacent DNA to control the transcription of genes.…

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: Describe the molecular steps by which polycomb groups cause epigenetic gene silencing.

A: Polycomb group (PcG) proteins are members of the protein family that were initially discovered in…

Q: describe Pseudolinkage

A: Linkage of gene refers to the presence of gene on a chromosome very close to one another, so that…

Q: Match the type of chromatin modification with the most likely effect on gene expression near the…

A: DNA and histone proteins, which are essential elements of the chromatin structure, are chemically…

Q: Explain the process of transcription in prokaryotes, including the following: promoter region, RNA…

A: The DNA is the genetic material that is passed from one generation to the next generation. It is…

Q: Which of the following would form a structure that is a cue for transcription termination of some…

A: There are a few important points: Transcription is the process of formation of transcript (RNA) RNA…

Q: Briefly describe three ways that ATP-dependent chromatin-remodeling complexes may change chromatin…

A: In past few years, for the identification and characterization of the ATP-dependent…

Q: Describe the molecular steps by which polycomb group complexescause epigenetic gene silencing.

A: The PcG protein complex (Polycomb group) is one of the two protein complexes involved in the…

Q: How do chromatin modifications regulate transcription?

A: Chromatin is a complex of protein and DNA, present in eukaryotic cells. Its main function is to pack…

Q: scribe how the acetylation of core histones may loosen chromatin packing.

A: DNA is the genetic material is usually found in all prokaryotic and eukaryotic cells. DNA is made up…

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: Describe the structural features of transcription activator and repressor proteins.

A: The process of transcription is considered a crucial process for the formation of proteins in a…

Q: Define how chromatin signature is a powerfuland reliable predictor of MAE activity ?

A: MAE( Monoallelic gene expression) is the phenomenon of the gene expression, when only one of the two…

Q: What are the role of transcription proteins? Explain briefly at your own words

A: TRANSCRIPTION:-  During the process of gene expression, DNA is first copied into an mRNA molecule…

Q: Name two similarities and two differences between the cellular processes of importing protien into…

A: A plasma membrane allows various molecules that a cell requires to pass through. Transport proteins…

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: Compared to heterochromatin, euchromatin is O comprised of densely packed nucleosomes and with…

A: Heterochromatin is characterized as the region of the chromosome which is obscurely darkled stained…

Q: What serves as the controlled factors (give three factors), dependent variable and independent…

A: Nucleic acids are involved in various processes in the cell, and their main role is the expression…

Q: Eukaryotic life also uses chromatin modifications to turn transcripts on and off. We talked about…

A: Chromosomes are the thread-like structures that consists of DNA in tightly packed manner within the…

Q: Define promoter region and list three of its properties.

A: Introduction The region with the specific DNA sequence, right upstream to the transcription starting…

Q: In eukaryotic transcription what is the function of a histone chaperone? Of a chromatin remodeling…

A: The eukaryotic transcription process occurs in the nucleus and it results in the formation of RNA…

Q: What does the statement above mean

A:

Q: Is heterochromatin transcriptionally active?

A: Deoxyribonucleic acid (DNA) is the genetic material made up of nitrogenous bases, pentose sugars,…

Q: There are two ways in which rearrangement of domain- encoding gene segments can result in novel…

A: Introduction Prokaryotes: These are the organisms which have characteristic nucleoid rather than…