Telomere Centromere Telomere arvrbr Euchromatin (30-nm fiber in radial loops) Heterochromatin (greater compaction of the radial loops) FIGURE 10.16 Chromatin structure during interphase. Heterochromatic regions are more highly condensed and tend to be localized in centromeric and telomeric regions.

Q: Nucleosomes are the ball-like structures around which the double helix winds.  What proteins make up…

A:

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: Explain the role of boundary elements in the DNA. If you were to use gene editing technology to…

A: Detailed explanation: Let's break down the role of boundary elements in DNA and explore the…

Q: Define facultative heterochromatin

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

Q: Which of the following statements is NOT true about chromatin architecture? A. The histone tails on…

A: The DNA is the genetic material of the cell which is responsible for the functions a cell performs.…

Q: What are some examples of facultative heterochromatin?

A: Facultative heterochromatin is a type of chromatin that can be switched between a condensed,…

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: Suppose that the diagram below represents the genomic organization of an enzyme involved in eye…

A: Transcription is the process by which  RNA transcript is formed from DNA. Various type of RNA are…

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: You have discovered a new species of plant. You isolate chromatin from the plant and examines it…

A: Histones are basic proteins that are rich in basic amino acids like arginine and lysine. These basic…

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: What is the difference between facultative and constitutive heterochromatin?

A: The chromosomes are thread like structure that carries hereditary information in the form of genes.…

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: One of these is not part of the nucleosome core but is thought to participate in locking the two…

A: The fundamental subunit of chromatin is termed nucleosome. The nucleosome is made of two turns of…

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: Base on your knowledge of DNA, chromosomes and epigenetics and upon examining the picture below,…

A: Epigenetic modification is the changes in chromatin structure which can result in repression or…

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: Differentiate between the Euchromatin and Heterochromatin

A: Chromatin is a complex of DNA and protein found in eukaryotic cells. Its primary function is…

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: How many nucleosomes form the “width” of the 300 Angstrom fiber, in chromatin packaging?

A: Each chromosome consists of a single, enormously long linear DNA molecule associated with…

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: 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: 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…