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: 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: Gene Expression: 14) Look at the diagram: a) For each of the molecules in the diagram, identify what…

A: Q. Ans:- Gene expression:- Gene expression is a term that explains that a nucleotide sequence known…

Q: Which of the following statements most accurately represent chromatin state and transcription?

A: A quality is the fundamental physical and functional unit of heredity. Genes are comprised of DNA. A…

Q: What three molecular mechanisms alter chromatin structure and are responsible for many epigenetic…

A: Step 1-  A gene is the essential physical and useful unit of heredity. Genes are comprised of DNA…

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: What has happened to the chromatin in the diagram? What regulatory proteins binds to what part of…

A: DNA is a double helical structure, which is wrapped around histones.  histones are proteins found in…

Q: How does the CREB protein contribute to chromatin remodeling?

A: Histone proteins are positively charged proteins rich in arginine and lysine around which the…

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: Mutations in genes encoding chromatin-remodeling complexes have been identified in high frequencies…

A: A mutation is a change that occurs in the deoxyribonucleic acid (DNA)when it is damaged or changed…

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: 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: In eukaryotes which of the following combination of chromatin conditions would be most likely to…

A: Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear membrane.Eukaryotes…

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: 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: 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: In mammals, individuals with two X chromosomes usually de-activate one of the X chromosomes inside…

A: The cell has two kinds of chromosomes. These are sex chromosomes and autosomes. There are two sex…

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: 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: Somatic stem cells are best described as ...

A: Since  the cells are somatic they would not divide through out life. They are not at dysregulated.…

Q: fill in the blank When the cell goes from M to GI, the number of nucleosomes on this stretch of DNA…

A: The cell cycle is a cyclic process where new cells are formed, increase in size, and enters…

Q: An old genetic observation is that a normally active gene will be silenced if it is moved by…

A: Histone alterations are linked to different transcription stages and functions, and epigenetic…

Q: 3' 5' 30nm fiber 146 nucleotide pair Acetylation Antiparallel Centromere Chromatin Chromatin…

A: 3' end:  This is the end of a DNA or RNA strand that terminates with a free 3' hydroxyl group. It is…

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: 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: What is the result when the core histones are acetylated via histone acetyltransferase? O A) The…

A: Answer :- Option (B) is correct. - The DNA becomes more tightly associated with the core.

Q: Genes are not always active in cells. The cell has evolved to edit its chromatin state in accord…

A: Chromatin is the region placed within DNA that contains DNA and proteins like histones. Chromatin…