A researcher discovers a mutation in the promoter region of a gene that increases the rate of transcription and increases its ability to do its job. What type of mutation is this? Loss of function Gain of function Silent mutation Frameshift mutation

Q: RNAi is a mechanism for regulating gene expression. It utilizes small microRNAs (miRNAs) transcribed…

A: miRNAs can do which of the following?

Q: are responsible for transcription in both prokaryotes and eukaryotes.    Question 17 options:…

A: The process of transcribing a piece of DNA into RNA is known as transcription. Messenger RNA is made…

Q: Which of the following DNA regions is NOT involved in gene expression regulation in eukaryotes?…

A: Promoter-proximal elements are the DNA sequences present in eukaryotes. These are located close to…

Q: What biomolecule are promoters and enhancers composed of?

A: Biomolecules are organic compounds present inside the cells of the living organism. Protein, lipids,…

Q: The coding sequence for gene F is read from left to right on the accompanying figure. The coding…

A: DNA is the polymer of nucleotides.

Q: A nonsynonymous mutation is also referred to as missense mutation. Which of the following correctly…

A: Normal DNA contains a particular sequence of DNA. If the sequence of DNA is changed due to external…

Q: The word mutation is generally considered to be negative. However, is there a positive side to…

A: MUTATION:- a mutation refers to a change in a DNA sequence.it can result from Dna copying mistakes…

Q: Because of the train track ideas and drawings your friend is convinced that the lac operon is the…

A: Bacteria were shown to adapt to their chemical environment by synthesizing certain enzyme depending…

Q: Which of the following types of point mutations will not produce a change in amino acids and…

A: Answer: MUTATION : It is the change occured in the nucleotides of DNA/genome sequence , this is…

Q: the visual system, it is critical to keep a subset of neuronal genes in a repressed state to…

A: HAT play an important role  in regulations of gene expression. it helps to increase gene…

Q: Match each example of mutation to the correct effect on function. Hypomorphic mutation Hypermorphic…

A: Introduction  Mutation is a change in the genetic material (DNA) of an organism. It can be a change…

Q: The figure shows the position of two of these mutations a and b. The nucleotides are altered in…

A: Note: Your question has 4 sub parts and as per our instructions we ara able to answer only three.…

Q: The following gene sequence of nucleotides is found on the template (non-coding) strand of a…

A: The sequence would be opposite to template strand and similar to coding strand(except the thiamine…

Q: I am a Physician Scientist and have a patient that presents with colorectal cancer. I decide to…

A: Given the scenario you've described, where a novel SNP leads to a premature stop codon in a gene…

Q: How does DNA bending protein relate to transcription?

A: Introduction: Binding to their recognition site, a growing number of transcription factors from…

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: In general, what is gene regulationand what are the consequences if this process goes awry? Gene…

A: Regulation of gene expression is a critical component and regulating cellular metabolism and…

Q: karyotic regulation of gene expression occurs at the level of _____ transcription splicing and…

A: Given: Need to explain the Eukaryotic regulation of gene expressions

Q: Which of the following can be used to silence specific genes in a laboratory setting? Histone…

A: Gene silencing is the regulation of gene expression in a cell to prevent the expression of a certain…

Q: The AG sequence (3’splice site) that is within intron 2 [adjacent to Exon 3] has been changed to a…

A: The process by which introns  are removed from heterogeneous nuclear RNA (contain both exon and…

Q: Translational control of gene expression in humans regulates the synthesis of: RNA from an RNA…

A: DNA and RNA are the nucleic acids having different functions in the cell. DNA is for storing genetic…

Q: What common mutation occurs in many human cancers? Explain how it can have this effect.

A: Cancers are originated from genetic mutations. Genetic mutations are of two types; acquired and…

Q: A eukaryotic cell has a mutation where the enzyme responsible for creating the 5’ cap for the mRNA…

A: The eukaryotic mRNA (messenger ribonucleic acid) undergoes processing to incorporate the 5’ cap, 3’…

Q: True/False questions Promoter is a protein that regulates transcription. True/False   Bacterial…

A:

Q: Which of the following is not a general description of the gene expression regulation mechanisms…

A: INTRODUCTION Gene regulation is the process of controlling which genes in a cell's DNA are expressed…

Q: Which of the following statements is false? a mutation in a 5' or 3' splice site must alter the…

A: When genes occasionally undergo "mutations", which alter the instructions for forming the protein,…

Q: Haemochromatosis is a recessive disorder caused by mutations in the HFE gene. The disorder can be…

A: Introduction :  The DNA sequence varies from organism to organism. The order of the base pairs can…

Q: Line A below shows the peptide synthesized after transcription and translation of a piece of DNA.…

A: Any detectable, inheritable qualitative or quantitative changes in the genetic material of an…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.