Describe how chromatin-remodeling complexes alter nucleosomes.

Q: True/False: RNA polymerase II, with the help of general transcription factors alone, can transcribe…

A: Transcription is a fundamental process in molecular biology by which genetic information encoded in…

Q: You add a chemical to a cell that prevents all of the chromatin from uncoiling so that the…

A: Transcription is the process of formation of messenger RNA using DNA as a template and DNA dependent…

Q: explain Scope of heterochromatin effects?

A: Chromatin means DNA +proteins (histones) or histones combine with DNA known as chromatin. Both the…

Q: Explain about reversible covalent modification of histones ?

A: BASIC INFORMATION  COVALENT MODIFICATIONS : In this type of modifications energy is needed and it is…

Q: Define facultative heterochromatin

A: Introduction  Heterochromatin: it is highly condensed region of the chromatin which remains…

Q: Explain the term heterochromatin ?

A: Deoxyribonucleic acid (DNA) is a double stranded polynucleotide chain. Both the strands coil around…

Q: What functional information about a genome can be determined through applications of chromatin…

A: Chromatin Immunoprecipitation (ChIP)  is a type of technique based on immunoprecipitation and is…

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: A mutated form of protein p5x is found in patients with squamous cell carcinoma. In vitro studies…

A: A gene that produces a protein that is essential for regulating cell division and death and is…

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: Which of the following is associated with active chromatin? Check all that apply. A. Centromeres B.…

A: Chromatin The long thread of DNA which contains coding and non coding region of DNA.

Q: Most cells are unable to copy the ends of chromosomes, and therefore chromosomes shorten with each…

A: Telomerase is an enzyme that is essential for the replication of chromosomal ends. It is a…

Q: Illustrate how cohesin complex is able to pair sister chromatids together after DNA replication.

A: DNA replication is the biological process which produces 2 identical replicas of DNA from 1 original…

Q: onsider the following segment of DNA, which is part of a linear chromosome: LEFT…

A: Answer.  Transcription is a process of the formation of transcript (RNA). It takes place by the…

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: Describe the structure of nucleosomes and the 30-nm fiber, andexplain how the 30-nm fiber forms…

A: Genetics is a part of science worried about the investigation of genes, genetic variety, and…

Q: Describe nucleosome supercoiling and its relationship to the radial loop–scaffold model of chromatin…

A: DNA being a large molecule, is packed with histone proteins to form a very compact structure known…

Q: Since all cells contain the same number of chromosomes and the overall same/similar genome how would…

A: In multicellular organisms, cells with the same genetic material can exhibit diverse functions and…

Q: Describe the process of cloning by somatic cell nuclear transfer?

A: Cloning by somatic cell nuclear transfer Cloning refers to the making of an identical copy. DNA…

Q: Describe nucleosome supercoiling

A: Nucleosomes-In eukaryotes the DNA packaging process involves the histone proteins to create a…

Q: discuss the possible interaction of transplatin with DNA

A: The stereoisomer of cisplatin is transplatin. Its chemical name is trans-diamminedichloroplatinum…

Q: Describe constitutive heterochromatin and facultative heterochromatin. Based upon this information,…

A: Heterochromatin is a tightly packed form of DNA, which comes in multiple varieties. These varieties…

Q: Explain the concept of loss of heterozygosity (LOH). Why do most cancer cells exhibit LOH of one or…

A: The loss or inactivation of a normal allele in a normal or somatic cell is a requirement for cancer…

Q: import processes of histones which are synthesized in the cytosol but function in the nucleus to…

A: Replication and Transcription Replication is a process in which DNA makes copies of itself to ensure…

Q: What is the molecular basis of genetic information?   base sequences   sugar-phosphate backbone…

A: The molecular basis of genetic information is base sequences . The genetic information must be…

Q: In 1997, Dolly the sheep was cloned by a technique called somatic-cell nuclear transfer (or…

A: Somatic-cell nuclear transfer- It is an experiment of genetic and developmental biology for…

Q: Which types of TEs have the greatest potential for proliferation:insertion elements, simple…

A: The jumping genes, also called transposable elements (TEs), are the sequences of deoxyribonucleic…

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

A: DNA is the genetic element in all cell types of prokaryotic and eukaryotic. DNA is double stranded…

Q: Discuss the role and relevance of chromatin in the storage, expression and transmission of genetic…

A: Chromatin is the material that makes up a chromosome that consists of DNA and protein. The reason…

Q: Describe how scientists use position effect variegationto study the mechanisms underlying the…

A: Position effect is described as the effect observed on the gene expression when there is a change in…

Q: If radioactive thymidine were introduced into the growth medium of actively dividing cells, it would…

A: Cell cycle A cell cycle is important for growth and division. In this cycle, the cell grows,…