What are epigenetic marks? Which are associated withheterochromatin? How are epigenetic marks thought tobe responsible for determining chromatin structure?

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: 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: Why is only one strand transcribed, and is the same strand of DNAalways transcribed?

A: DNA (Deoxyribo Nucleic Acid) is the genetic material in all the prokaryotes are eukaryotes. DNA is…

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 is the highly compacted strongly staining region of the chromosome with no transcriptional…

A: The highly compacted strongly region of the chromosome with no transcriptional activity is…

Q: Which type/s of histones is/are not part of the histone octamer wrapped by DNA strands but is found…

A: Histones proteins are present as octamer (eight) complex at the center of nucleosome. It consist of…

Q: During S phase, how are histonesand their modifying enzymescontrolled to replicate…

A: Cells reproduce by a cycle of growing and dividing called a cell cycle. The cell cycle is the…

Q: Where are DNase I hypersensitivity sites found, and what do they indicate about the nature of…

A: Deoxy ribonucleic acid (DNA) is the genetic material of most organisms that carry coded genetic…

Q: What are different types of modifications seen on histones in heterochromatin and euchromatin and…

A: Histones are specialized proteins around which DNA wraps and forms a structure known as the…

Q: What eukaryotic process requires chromatin remodeling?

A: Chromatin remodeling is the chromatin rearrangement from a condensed condition to a…

Q: Explain the chromatin remodeling complexes ?

A: In eukaryotes, the DNA is firmly twisted and tightly coiled into a complex called Chromatin. This…

Q: DNA methylation is considered an epigenetic phenomenon because the pattern of methylation can be…

A: Epigenetics is considered as a study of certain gene expressions, which is heritable.

Q: If histones are acetylated on a lysine amino acid (an epigenomic mark), are genes in this region…

A: Epigenetics is the branch of genetics that deals with changes in gene expression (no change in the…

Q: what is the definition of epigenome

A: Epigenetics is the study of how modifications to DNA and histones influence gene expression.…

Q: Which of the following is NOT an effect of histone acetylation on chromatin structure? Selected…

A: Histone acetylation is a post-translational modification that adds acetyl groups to lysine residues…

Q: Why is DNA methylation considered an epigenetic phenomenon?

A: Deoxyribonucleic acid (DNA) is a biomolecule found in nearly all living organisms. The structure of…

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 is chromatin remodeling complex?

A: The complex of proteins and DNA in eukaryotic cells is called chromatin. This is the packed or…

Q: What are chromatin remodeling complexes?

A: Deoxyribonucleic acid or DNA is a double helix nucleic acid structure that carries the genetic…

Q: How is chromatin immunoprecipitation used to determine the locations of histone modifications in the…

A: Histone modifications occur through post-translational modifications of residues of amino acids like…

Q: Is paramutation a cis- or a trans-epigenetic mechanism?

A: In epigenetic, paramutation is a phenomenon in which the expression of gene changes and that…

Q: In X-chromosome inactivation, when is the choice made as to which X chromosome is inactivated? Does…

A: Females have two copies of the X chromosome, producing a double dose of X-linked genes. The…

Q: What are the two types of transposable elements?

A: Transposable elements are known as stretches of DNA molecules and they can move from one place to…

Q: DNA methylation is considered an epigenetic phenomenon because the pattern of methylation can be…

A: Epigenetics refers to the phenomenon where traits can be inherited through reverdible changes in…

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: Why are there so many differentchromatin remodeling complexes incells? What are their essential…

A: Chromatin remodeling is one of the most important concepts. It uses the energy from the hydrolysis…

Q: What condition must be fulfilled in order for histone modification to be considered an epigenetic…

A: Histone modification is a post-transcriptional modification

Q: Which of the following statements about "Focused transcription initiation", "Dispersed transcription…

A: Transcription is the process of conversion of the genetic sequence in the DNA of a gene to RNA…

Q: What mechanisms are involved in polynucleotide folding which produces a stable molecule that can fit…

A: A gene is a sequence of DNAs that codes for RNAs with the help of regulatory elements. The RNA is…