Eukaryotic life also uses chromatin modifications to turn transcripts on and off. We talked about PARP-1 and its ability to remodel chromatin in response to what?

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

A:

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: How many copies of each type of core histone would it take to wrap the entire human genome into…

A: Introduction -The haploid human genome is made up of roughly 3 billion base pairs of DNA organised…

Q: Why Heterochromatin spreads linearly?

A: Heterochromatin refers to the part of the chromosomal regions that appear dark due to the…

Q: What functions does supercoiling serve for the cell?

A: Supercoiling refers to a double helix of DNA that has undergone additional twisting in the same…

Q: After Step 2: The synthesis and transport of histones must be tightly coordinated with DNA synthesis…

A: DNA is the main constituent of the chromosome. It contains all information about protein that forms…

Q: The term heterochromatin refers to heavily condensed regions of chromosomes that are largely devoid…

A: The cell cycle is the sequence of events that occurs in cell results in the division of cytoplasm,…

Q: to respond to environmental stress by increasing the rate at which mutations occur during cell…

A: An organism that can not be seen through the naked eye is known as the microorganism. To see these…

Q: Put the following types of stem cells in order from MOST useful in regenerative medicine to LEAST…

A: The correct option is b:  pluripotent--multipotent--totipotent--adult Explanation:  Totipotent cells…

Q: Does chromatin compaction increase or decrease as DNA methylation increases?

A: DNA methylation favours the heterochromatin state and reduces overall DNA flexibility while…

Q: Changes in chromatin packing correlate with changes in gene expression in most cells.  Why do you…

A: The chromosomes resemble a mass of extremely fine tangled string called chromatin, consisting of DNA…

Q: After cutting yourself with a knife while chopping vegetables, your body begins extensive mitosis…

A: The given DNA sequence is as follows,  TAC GGG CAA ACC TCT AGC CCA ATG TCG ATC

Q: Why is the p53 R273W mutation preventing p53 from binding to DNA?

A: All living things are made up of cells, which are the most basic and important unit. All of life's…

Q: How does RNA machinery maintain pericentric heterochromatin around the centromeres of eukaryotic…

A: Heterochromatin is densely packed and inaccessible to transcription factors. Therefore…

Q: Once you have transformed these factors into your skin cell, how might you identify your induced…

A: Pluripotent cells are those which have the capability to renew by dividing and it can form three…

Q: If telomeres are normally shortened after each round of replication in somatic cells (see Chapter…

A: Cloning is the creation of identical biological entities for therapeutic and reproduction. It is…

Q: How are the processes of DNA replication and transcriptionsimilar? How are they different?

A: DNA replication of transcription are the processes that are involved in the central dogma. DNA…

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: A cultured mouse cell line has a mutation in a gene encoding a ribosomal protein. The mutant protein…

A: Chaperones are a kind of protein with similar properties that aid in protein folding. These proteins…

Q: What eukaryotic process requires chromatin remodeling?

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

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: How are histone tails modified?

A: Histones are a family of basic proteins, which associate with deoxyribonucleic acid (DNA) in the…