Which of the following causes epigenetic modifications to DNA that affects gene expression without changing the DNA sequence? Base pair expression. DNA methylation. Mutation in regulatory sites. Gene knockout.

Q: The A-blood type allele and the B-blood type allele differ from each other based upon which of the…

A: The biochemical material that is carried from the preceding generation to the succeeding generation…

Q: In order for transcription to occur, the DNA molecule must be "unzipped".  Messenger RNA is then…

A: TRUE Transcription of the process of formation of RNA using DNA as a template. It uses DNA…

Q: Which of the following is considered to be a spontaneous source of mutations that impact the genome?…

A: Any Change in the genetic material, which is not caused by recombination, that leads to altered…

Q: Which statement about the central dogma is FALSE?

A: The process where DNA is transformed into RNA known as transcription and then RNA is transformed…

Q: Which of the following best describes post-translational protein regulation? Regulation of the…

A: Translation is the cellular processes by which polypeptide chain is synthesized according to the…

Q: Methylated histone tail amino acids are associated with chromatin that is open only.   closed only.…

A: The DNA is the genetic material in living organisms that remain associated with histone proteins in…

Q: Draw a small piece of mRNA in the correct location.

A: Genetic information flows from DNA to RNA to proteins. This is also known as the central dogma of…

Q: What a mutation is and how a cell detects and corrects most mutations that arise during DNA…

A: Introduction  DNA replication is very speedy process where around 400 nucleotides are added per sec.…

Q: Imprinted genes are A- usually methylated B- methylated and not replicated C- not replicated D-…

A: Introduction :- Genomic imprinting is an epigenetic phenomenon in which genes are expressed in a way…

Q: DNA Sequence:     TAC  TCC  GGC  TCT  CCC  AGT  TGA  ACT Mutated Sequence: TAC  TCT  GGC TCT  CCA…

A: Any modification of a cell's DNA sequence. Mutations can occur as a result of errors made during…

Q: Gene expression is regulated by a combination of_ enhancers and ORI enhancers, repressors and…

A: Note: “Since you have posted multiple questions, we will provide the solution only to the first…

Q: Which of the following is responsible for the ability of one gene to code for more than one type of…

A: During RNA Splicing: Introns -excised and exons - ligated together.

Q: Promoter and enhancers are sequences at the beginning of genes needed to regulate transcription…

A: A promoter is a region of DNA that plays a fundamental role in the process of transcription, which…

Q: TRNA O is a type of RNA molecule. required for accurate translation. O all of the choices are…

A: Translation is the process by which the RNA molecule is read and translated into proteins. The three…

Q: n which of the following processes is reverse transcriptase involved? More than one answer is…

A: Reverse transcriptase is an enzyme utilized in molecular biology and retroviral reproduction. It…

Q: Which of the following is required for positive regulation of gene expression?   Question 16…

A: Gene expression is the process by which the instructions in our DNA are converted into a functional…

Q: Genes can be silenced through epigenetic changes that occur Genes can be silenced through…

A: Nonmutational gene inactivation known as epigenetic gene silencing may be faithfully passed down…

Q: Which of the following statements best describes the effect a nonsense mutation within a gene's…

A: Mutations are the sudden change in the DNA sequence which most likely alters the amino acids encoded…

Q: The formation of a phosphodiester linkage between the 5'-phosphate group at the end of one DNA…

A: During DNA replication new nucleotides are added to the DNA in the 5' to 3' direction. An incoming…

Q: What level of control of gene expression is defined as regulating whether a particular mRNA is…

A: Dna undergo transcription and form the m-rna and this is translated to form the protein.the…

Q: cleotides                nucleus                      adenine                      cytosine…

A: The process in which DNA forms RNA is called transcription and the process in which RNA forms…

Q: Which of the following is NOT true about the agouti gene? -methylated gene results in a brown coat…

A: The answer is the gene can be methylated and unmethylated during an individual's life because it…

Q: Drag the term or statement to the correct column. Transcription factor stimulates own production…

A: Epigenetics is the study of heritable phenotype changes.  It does not involve alterations in the DNA…

Q: Suppose that a gene has a mutation that changes one nucleotide. Because of this one nucleotide…

A: A rapid change in the sequence of DNA (deoxyribonucleic acid) due to physical or chemical factors is…

Q: a decrease in expression. It will cause an increase in expression. It will cause the methylation of…

A: Histone acetylation is the process by which the lysine residues within the N-terminal tail arising…

Q: Alternative splicing:   Question 15 options:   results from non-spliceosome mediated splicing.   is…

A: One notable difference between prokaryotic genes and eukaryotic genes is that prokaryotic genes do…

Q: Which of the following are affected by changes in DNA methylation? Choose all that apply. The…

A: DNA methylation is defined as a process by which a methyl group is added to the structure of a DNA…

Q: Which level of gene expression regulation is used in eukaryotes, but not bacteria? transcription…

A: Regulation refers to the controlling of the gene expression.

Q: Which of the following biological questions could be examined by CHIP-seq? DNA sequences that are…

A: Option 5 is the answer. CHIP -seq is a tool used to study proteins that are bound to DNA. CHIP-seq…

Q: True or False: In eukaryotes, transcription is generally regulated by a combination of many factors…

A: Transcription is the process by which RNA is produced from the DNA (gene). It is also known as the…

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: How can small interfering RNAS (SİRNAS) and micro RNAS (MİRNAS) regulate gene expression? Prevent…

A: A gene is a functioning heredity unit made up of DNA that provides instructions for the creation of…

Q: A disease is caused by having no functional protein produced from the kip gene. An individual has…

A: Mutations are alterations in the DNA sequence of an organism. Small changes, such as adding or…

Q: What part of a gene is important in initiating transcription?     Promoter region     Exons…

A: RNA processing plays a role in the regulation of gene expression. RNA processing is essential for…

Q: A mutation that results in a premature (early) stop codon, will terminate transcription resulting in…

A: Transcription is a process by which mRNA is made by rna polymerase using dna as a template.  When…

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…

Q: As bacterial DNA replicates, a point mutation occurs in which an A nucleotide is changed to a C…

A: DNA is a helically twisted double chain polydeoxyribonucleotide macromolecule. The sequence of…

Q: Show why acetylation of the histone prevents it from interacting with DNA.

A: Histones are a group of simple proteins that bind to DNA within the nucleus and allow it to condense…

Q: Eukaryotic transcriptional repressors may act by   Choose an answer below competing for a binding…

A: Eukaryotic transcriptional repressor : These are the proteins which bind to the specific sites of…

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…