Possible genetic modifications that can cause epigenetic changes in gene expression include: A- all answers are correct B- histone acetylation C- chromatin remodeling D- histone variant localization  e- DNA methylation

Q: A geneticist uses a generic engineering approach to mutate the TATA-building protein (TBP) of a…

A: *The TBP is the gene that instruct for making a protein called the TATA box binding protein. *This…

Q: Why is the repression of genes by DNA methylation long-term?

A: Genetics is a branch of science that deals in the study of genes, heredity, and genetic variation of…

Q: Transcriptionally active chromatin are generally found near the outer regions of the nucleus near…

A: The distribution of transcriptionally active chromatin throughout the nucleus is a complicated and…

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: Although each cell in your body contains the same set of genes, the genes that are “turned on”…

A: DISCLAIMER FOR MULTIPLE   Since you have asked multiple question, we will solve the first question…

Q: (b) How many forms can naturally occurring DNA exist in? Explain how these forms are characterized.…

A: DNA  Deoxyribonucleic acid  Genetic material in many species Has ds(double stranded) structure…

Q: CpG is an epigenetic term that means: Select one: a. The binding of cytosine with the following…

A: We know that, DNA is the genetic material of almost all living organisms. It is made up of monomers…

Q: Match the type of chromatin modification with the most likely effect on gene expression near the…

A: DNA and histone proteins, which are essential elements of the chromatin structure, are chemically…

Q: Explain how the environment may influence genetic expression.

A: The expression of genes in a living being can be influenced by the climate, remembering the outer…

Q: Euchromatin is said to be transcriptionally-active while Heterochromatin is said to be…

A: Euchromatin exists in decondensed form and is found in the distal arms of the chromosome. It is…

Q: Missense and nonsense mutations can occur in both the protein coding region and the regulatory DNA…

A: Is Missense and nonsense mutation occur in both protein coding region and the regulatory DNA of a…

Q: What are the role of transcription proteins? Explain briefly at your own words

A: TRANSCRIPTION:-  During the process of gene expression, DNA is first copied into an mRNA molecule…

Q: What types of histone modifications are responsible for epigenetic phenotypes?

A: Histones are the set of positively charged proteins. Histones are responsible for providing…

Q: Concentration (%) A researcher is studying environmental conditions that cause the expression of…

A: We analyze the correlation between pH values and active repressor concentration to identify the…

Q: List the following steps of gene expression in eukaryotes in chronological order. Also indicate…

A: RNA processing refers to the series of events where the pre-mRNA is converted to mature RNA by…

Q: What are the details of the epigenetic processes involved in gene regulation of Histone…

A: Epigenetic processes assume significant parts in quality guideline by changing histones and DNA,…

Q: Why are histone modifying enzymes important?

A: Chromosomes are thread-like structures that are present in the nucleus of the cell. The basic unit…

Q: What region would provide cell type-specific expression of genes? region  What site would…

A: The mRNA is given in the figure. The mRNA undergoes the process of translation to produce protein.

Q: Define the following terms: a. epigenetics b. CpG island c. epimutation d. DNA methylation e.…

A: Definitions are explained.

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: hutations in a structural gene (coding for a protein) have a null phenotype. How many different…

A: Nonsense mutations : It is a genetic mutation in a DNA sequence that results in a shorter ,…

Q: Briefly explain how different modifications of histone protein affects the epigenetics of a gene

A: Epigenetics is the study of the gene in which DNA sequence does not change. The epigenetic change…

Q: dentify two genetic mechanisms whereby proto-oncogenes can become overexpressed.Select the two…

A: Activation of Proto-oncogenes. Proto-oncogenes are normal cell proliferating genes that encode cell…

Q: Discuss how epigenetic processes can be modified by environmental factors.

A: The study of heritable phenotypic changes without adjustments to DNA sequence is known as…

Q: Which of the following are ways in which transcriptional repressors can function in eukaryotes?…

A: Enhancers are DNA regulatory elements that can enhance or increase the transcription of genes.…

Q: Which of the following mode of gene regulation CANNOT be regarded as "transcriptional regulation"…

A:

Q: three different types of loss of function mutations and in each case explain how the mutation exerts…

A: A mutation is any alteration of the base sequence of the DNA or RNA. Since mutation alters the base…

Q: The first product of genome expression is transcriptome but what happens if the RNA of the genes are…

A: Transcriptome is the collection of the all the RNAs both the coding and non-coding type present in a…

Q: Design a transcriptional circuit that regulates the expression of β-galactosidase in a eukaryotic…

A: The central dogma theory is an important concept in molecular biology that explains the flow of…

Q: ct one: a The gene is turned off, but still expresses a protein product. . The gene becomes…

A: DNA methylation is associated with the silencing of gene expression.

Q: In humans, the average length of a gene on chromosome 7 is 69,000 base pairs, but the average mRNA…

A: DNA( deoxyribonucleic acid) is the double-stranded molecule that is the genetic material in most…

Q: What steps are necessary and unnecessary for non-protein coding genes?

A: The translation is the process of analyzing the mRNA message in order to produce a protein. It is…

Q: In the absence of this enzyme, a substance called ceroid lipofuscin accumulates in lysosomes in the…

A: CRISPR is a DNA sequence that found in prokaryotic organism's genome like bacteria , archaea.…

Q: How might a point mutation in DNA affect the phenotype. How the genome is expressed in the organism?…

A: The genome of an organism contains all the genetic information required for the development, growth,…

Q: In Figure 6-1,a. what do the yellow stars represent?b. explain in your own words why the…

A: Each gene has two copies, also known as alleles, where each allele contributes 50% to the protein…

Q: A partial DNA sequence, a partial MRNA transcript, and part of the CFTR polypeptide in a cystic…

A: Cystic fibrosis is a disesase that damage the cell producing mucus, sweat and other juices.  in…