Which statement about transposons is INCORRECT?   a.A transposon is a small fragment of DNA that can move from one location in a chromosome to another location in the same chromosome. b.Transposon insertion into a gene causes a mutation that can be reversed by removal of the transposon. c.Transposon movement often occurs when the cell is under genomic stress. d.In nature, insertion of a transposon can be deliberately added into a harmful gene to enhance survival.

Q: You are curious to identify the region of the gene X sequence that serves as an enhancer for gene…

A: Nascent RNA (ribonucleic acid) sequencing analysis is a tool for enhancer identification. Some…

Q: What processing step enhances the stability of pretRNAs and pre-rRNAs? a. methylation b. nucleotide…

A: The precursors of transfer Ribonucleic acid (tRNA) and ribosomal Ribonucleic acid (rRNA) are the…

Q: Which statement is true about transposon? a. Transposon is known as a ‘jumping gene’. b.…

A: The science of genes and inheritance, or how particular characteristics or traits are transferred…

Q: The BRCA genes produce DNA repair proteins. Genetic testing is available that can determine if a…

A: BRCA1 (BReast CAncer gene 1) and BRCA2 (BReast CAncer gene 2) are proteins that aid in the repair of…

Q: Which of the following statements about the transcription process is correct?

A: The flow of genetic information from DNA to RNA, RNA to protein synthesis is called central dogma.…

Q: Question 1 Which of the following, when mutated, will prevent a messenger RNA from being…

A: Transcription is the process of converting genetic information stored in a DNA molecule into an mRNA…

Q: Which type of mutation involves only one base pair? a. insertion b. deletion c. inversion d.…

A: A mutation occurs when DNA molecules are copied or replicated, resulting in DNA variants that can be…

Q: Which of these statements is correct regarding the CRISPR/Cas9 system in eukaryotic cells? a.Single…

A: The game-changing CRISPR-Cas9 technology is changing the game of genome editing. The CRISPR-Cas9…

Q: A geneticist induces a mutation in eukaryote cells. The mutation results in an inability to form the…

A: Mutation results in alteration of a nucleotide sequence of DNA which caused due to the mistake in…

Q: What is the mechanism by which an RNA transcript can be used to silence expression of the same gene?…

A: Recombinant DNA technology (rDNA technology) is very helpful for analyzing the entire genome of a…

Q: highly-conserved regions of human DNA

A: DNA: It is a molecule which contains the instructions where an organism needs to develop, live and…

Q: Can one transcription factor sometimes act as a repressor and sometimes act as an activator? a. Yes,…

A: Transcription factors are proteins that bind to neighbouring DNA and help switch particular genes…

Q: Human growth hormone is being researched as a potential anti-aging drug. What is the most likely way…

A: The brain's pituitary gland naturally produces human growth hormone also referred to as somatropin.…

Q: Could a gene be involved in the growth of both stem cells and some kinds of cancer? Explain your…

A: in stem cells we have an important class of genes called proto-oncogenes [PO] with are necessary for…

Q: With regard to transcriptional termination in eukaryotes, which model(s) suggest(s) that RNA…

A: Forming of Rna from Dna is known as transcription and removal of RNA from the polymerase is known as…

Q: onsense mutations occur when:  A.The new codon causes an incorrect amino acid to code for an…

A: A mutation is a mistake within the deoxyribonucleic acid sequence of an associate organism.…

Q: How does the Trp operon work? A. Binding of Trp to a repressor protein allows the repressor to bind…

A: Trp operon is the cluster of genes that are responsible for synthesis pf operon

Q: 36. Which of the following motifs can be found in DNA-binding proteins? a.) helix-loop-helix b.)…

A: Proteins with DNA-binding domains, or DNA-binding enzymes, have a particular or universal attraction…

Q: What is the function of the sigma subunit of prokaryotic RNA polymerase? a. It directs the…

A: Introduction:- Transcription is defined as the process of RNA synthesis. It uses one strand of DNA…

Q: Are mutations harmful?a. Yes, because the DNA is damaged.b. No, because changes in the DNA result in…

A: Mutations in biology is defined as a change in DNA sequence from normal sequence. Mutations can be…

Q: Epigenetic marks regulate gene expression. Which epigenetic mark is NOT associated with positive…

A: These are chemical modifications that change the gene expression, make it on or off

Q: With regard to transcriptional termination in eukaryotes, which model suggests that RNA polymerase…

A: After RNA polymerase II has transcribed the polyadenylation, which is the process of cleaving the 3’…

Q: What is the central component of a transcription initiation complex?   a.   DNA polymerase…

A: Transcription is the process by which RNA is produced from the DNA template. This process is occurs…

Q: Which of the following may produce more than one functional protein from an mRNA transcript?a.…

A: Chromosome condensation is the re-organization of the long thin chromatin strands into compact…

Q: What is a proteome? a. The collection of all genes encoding proteins b. The collection of all…

A: What is a proteome:

Q: How can Cas9 technology be used in gene therapy. A. Base editing can be used to repair DNA error…

A:

Q: Which figure shows a chromatin structure that is most likely from a gene that is epigenetically…

A: In epigenetics, gene expression may change without changing the DNA sequence in the form of its…

Q: Which type of mutation would expect would have no effect on a protein coding gene in eukaryotes?…

A: “Silent” mutation: doesn't change an amino acid, however in some cases will still have a…

Q: Which statement is true about RNA polymerase (which is required for transcription)? A. RNA…

A: Transcription  It is the process through which the sequences in strand of DNA forms into the…

Q: Which of the following plays a major part in determining whether or not RNA polymerase will…

A: RNA polymerase is an enzyme that helps to convert a DNA sequence into an RNA sequence in the…

Q: Which of the following is true?   a.     Enhancers are proteins that bind to activator DNA…

A: An enhancer is a brief piece of DNA (50–1500 bp) in genetics that can bind to proteins (activators)…

Q: The epigenome for a particular gene determines whether it will

A: When certain chemical compounds or proteins are attached externally to the genome or the DNA, such…

Q: Why can the transcriptome not be used to predict the proteome with complete accuracy? a. It cannot…

A: The entire genetic material present in a cell is known as the organism's genome. The genome contains…

Q: What will most likely happen when the -35 element and pribnow box are mutated? a. The sigma factor…

A: -35 element and pribnow box both act as the essential part of the promoter sequence for DNA…

Q: What are epigenetic modifications? a. the addition of reversible changes to histone proteins and DNA…

A: Epigenetic mutation can be defined as abnormal methylation level that can result in aberrant gene…

Q: Cancer cells can divide much longer than most other cells. One possible reason is the presence of…

A: Cancer is a disease that is associated with uncontrolled division of cells and invasion of…

Q: How does an embryonic stem cell differ from an adult stem cell?

A: Stem cells are used extensively in the experiments of cloning. It is studied under the domain of…

Q: Why are errors in DNA methylation so destructive to cells? a. They cause improper activation or…

A: ANSWER Why are errors in DNA methylation so destructive to cells? a. They cause improper…

Q: Which of these is NOT true of nucleosomes?     A. Some post-translational modifications to histone…

A: Nucleosome is the basic subunit of chromatin. It is the basic unit of DNA packaging. Nucleosomes…

Q: X-rays strike a chromosome in a living cell and ultimately cause the cell to die. Did the X-rays…

A: Introduction  Radiation such as X rays are harmful to the mankind, they have high energy value and…

Q: Which gene type is INCORRECTLY matched with its type of genomic sequence? a. FRNA gene: moderately…

A: Answer: Genomic sequences = These are the sequences present in chromosomes which codes for a…

Q: For the Igf2 gene, where do de novo methylation and maintenancemethylation occur?a. De novo…

A: Igf2 gene in mammals is responsible for imprinting of genes where the offspring is allowed to…

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.