Choose the correct statements about epigenetic regulation in eukarya Group of answer choices Acetylation of histones increases transcription Methylation of DNA decreases transcription X-inativation in female mammals is accomplished through massive acetylation of the X chromosome  Methyl tags on DNA are permanent and cannot be changed.

Q: Please help

A: Let's work through the terms and correctly categorize them. The goal is to match each molecular…

Q: 10.

A: Epigenetic regulation refers to the mechanisms that control gene expression without changing the…

Q: What would be the likely phenotypic effect of a mutation in HOTAIR and prevented it from binding to…

A: HOTAIR (HOX antisense intergenic RNA) is a long non-coding RNAs with 6 exons and 2158 nucleotides…

Q: QUESTION 2 p53 is a multifunctional protein. Select the domain, if any, that contains the most -…

A: p53 protein :-

Q: Hyperacetylation of histone tails is often associated with:   Question 22 options:…

A: Loose conformation of Chromatin Explanation:Histone connections with DNA become weaker by…

Q: Which of the following statement O It enables RNA polymerase to bind to the DNA O It is rarely found…

A: Histone deacetylase is a category of enzymes that take away acetyl group teams (O=C-CH3) from an…

Q: Replacement of histones with variant histones will cause an increase in the compaction of the gell…

A: Answer: Histone : These are the Octameric proteins around which DNA winds to form a structural unit…

Q: Which of the following is not an example of translational control of MRNA? Localization bicoid mRNA…

A: Translation is the process of synthesis of protein. The ribosomes, tRNA, rRNA are involved in the…

Q: Many genes important in development are regulated by effecting their mRNA. What is the mechanism…

A: The regulation of gene expression is a fundamental process that underlies many biological phenomena,…

Q: Acetylation of positively charged amino acids within histone tails loosens their attachment to DNA…

A: The central dogma of molecular biology represents the flow of genetic information from DNA to RNA to…

Q: The human genes that convey a susceptibility to hereditary nonpolyposis colorectal cancer are genes…

A: Lynch syndrome, also known as hereditary nonpolyposis colorectal cancer (HNPCC), is a genetic…

Q: DNA methylation is associated with repression of mammalian genes involved in development and…

A: Epigenetic modification is the process by which DNA and histone proteins are chemically modified.

Q: In all mammals, insulin growth factor 2 is expressed from only the allele that is inherited by one's…

A: Igf2 stands for insulin growth factor 2. It is responsible for maintaining the growth in the tissue…

Q: Lactose intolerant individuals do not produce the enzyme lactase. Studies show that the gene that…

A: Lactose sugar is obtained from milk products and milk. When people do not produce enough lactase…

Q: Presence of proximal and distal promoters in Drosophila melanogaster for alcohol dehydrogenase. Is…

A: Drosophila melanogaster is a species of fly in the family Drosophilidae. The species is often…

Q: Select the answer that correctly expresses a valid comparison between transcriptional regulation in…

A: Transcriptional regulation is far more complex in eukaryotes than in prokaryotes. Prokaryotic…

Q: (Theme 5) AraC is a transcriptional activator that binds to the AraC binding site and is encoded by…

A: The introduction of arabinose into the bacterial culture serves as a trigger for the activation of…

Q: Which gene regulation is ONLY present in eukaryotes?  Choose from the options below Transcription…

A: Gene is the sequence of nucleotides that encode a particular polypeptide. The gene expression…

Q: tatement about the HATS is FALSE? do not interact with non-pioneer regulatory transcription facto…

A: HATs : Histone acetyl transferases. These are the enzymes that acetylate conserved lysine residuals…

Q: In contrast to histone acetylation, which always correlates with gene activation, histone…

A: Histone acetylation and deacetylation are the mechanisms that ensure that lysine residues inside the…

Q: Enzymes that acetylate the ε-amino group of lysine in the histone tails are called ____ and are…

A: Histones are protein molecules present in nucleosome core of the chromatin material around the…

Q: You identify a disease of epidermal cells in mice in which Gene A is not expressed. Further analysis…

A: Gene is the sequence of the genome that codes for a functional protein. The expression of genes from…

Q: You gather the following data on the expression of a eukaryotic gene which experiences positive gene…

A: Eukaryotic gene expression are mainly regulated at 4 stages ; Transcription level: gene product is…

Q: In studies on chromatin it has been reported that DNA that is being actively transcribed is more…

A: DNA- “deoxyribonucleic acid” is a complex structure that carries the unique genetic code of every…

Q: Propose a model that outlines, step-by-step, events that could reasonably generate the expression of…

A: The "Eve stripe protein" refers to a specific protein called "Even-skipped" (Eve) that is involved…

Q: Eviction of histones will cause adecrease in the compaction of the genomic DNA and therefore lead to…

A: The genome in Eukaryotes is huge and is compactly packed within the nucleus. Thus, packing of DNA is…

Q: x is an epigenetically controlled process where axpression of genes occurs following a parent of…

A: The external modification of DNA without changing the sequence but alters the physical structure…

Q: 15.3 Explain the fellovine diaeram: prospective nuclear protein nuclear Ran HYDROLYZES ITS BOUND…

A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…

Q: ses (HA Is) transfer acetyl groups from acetyl CoA to lysine residues on histones What is the…

A: Histone acetyltransferase (HATs) are enzymes that acetylate conserved lysine amino acids on histone…

Q: Epigenetic changes in chromatin remodelling  which selectively PREVENTS transcription Acetylation…

A: DNA is the store house of genetic information. This genetic information is expressed as protein…

Q: QUESTION 1 Which of the following best describes how functions of regulatory transcription factor…

A: The regulatory transcription factors are the molecules that activate or inhibit the transcription of…

Q: Histone methylation alters the chromatin structure with varied effects depending on the specific…

A: Chemical modification of all histone proteins occurs. The modification that occurs at histone…

Q: Which of the following could be identified as epigenetic effects?

A: This question is based on epigenetic effect.

Q: of 16 CAT proteins signal in a manner that is uncommon for signaling proteins that carry out similar…

A: STAT or signal transducer and activator of transcription  proteins are latent cytoplasmic…

Q: asic amino acids including lysine. DNA and histones collectively form chromatin. Open open and…

A: Histones can be defined as the family of basic proteins that are associated with the DNA in the…

Q: _________ could lead to an epigenetic disorder caused by loss of function of a gene.   Question 12…

A: Epigenetics is the study of how the behavior and environment can cause changes that affect the way…

Q: Contrast the effects of mutations in genes encoding sporulation-specific sigma factors with…

A: Introduction Mutation in sigma factors:- Sigma factors are subunits of all bacterial RNA…

Q: Which of the following is a method through which cells can control their gene expression?…

A: Cells control gene expression to control the structure and functions which they exhibit.  There are…

Q: genes occurs follo a parent of origin specific manner, likely causing gene silencing.

A: Epigenetics is the study of heritable changes in gene expression that do not involve changes to the…

Q: Gene expression in mammals can be increased by which of the following mechanisms?…

A: Nucleosome is the packaging unit in eukaryotes. It is a fundamental subunit of chromatin.…