eukaryotes? To protect the DNA from restriction endonucleases To prevent nucleosome formation on that region of DNA To distinguish the active X chromosome from the inactive X chromosome in counting To aid in silencing transcription DN

Q: The following segment of DNA is part of the RNA-coding sequence of a transcription unit. If the…

A: Introduction  Deoxyribonucleic acid is a polymer made of two polynucleotide chains that coil around…

Q: Most laboratory strains of E. coli contain site-specific DNA methylases. The methylase encoded by…

A: Molecular cloning is the process of making identical copies of a DNA molecule, which can be a gene,…

Q: When a chromosomal rearrangement, such as an inversion, places a known gene into or next to a…

A: There are 4 types of chromosomal rearrangements namely - duplication, deletion, inversion,…

Q: Why do adult human cells (other than germ cells and stem cells) NOT express the enzyme telomerase?…

A: Telomerase expression is required for cell immortalization ( in cancer cells) and long term tumour…

Q: 5' 3' ORF1 ORF2 ORF3 ORF4 ORF5 1. Above are pictured 2 operons, one that includes ORF1 and OFR2 and…

A: The production of RNA from DNA is known as transcription that occurs within the cytoplasm of…

Q: ARVCS is a disorder characterized by the replacement of healthy heart tissue with fatty fibrous…

A: Mutation is any change in the nucleotide sequence of the gene. It may lead to disorders if it makes…

Q: ermination in prokaryotes?

A: Transcription is the process by which information in a DNA sequence is copied to a new messenger…

Q: Place the labels in the correct column for Eukaryotic transcriptional termination

A: In the Allosteric Model, the termination of transcription is driven by conformational changes in RNA…

Q: THE MOLECULAR GENETICS OF CYSTIC FIBROSIS The following is the base sequence of DNA that codes for…

A: According to our guideline we can answer only first 3 subparts of a question. So, upload rest of the…

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: What does it mean to say that extensions by DNA polymerase III proceeds 5' to 3'?

A: DNA replication is a process through which a new copy of DNA is synthesized. DNA polymerase III is…

Q: In producing genetically engineered human insulin in bacteria, why is it important to use the…

A: Insulin is a natural peptide hormone produced by the beta cells of the pancreas in response to high…

Q: In each cell if DNA polymerase I is non-functional, how would it affect the leading strand

A: In prokaryotic organisms, DNA replication is primarily regulated by the enzyme DNA polymerase I. It…

Q: A polypeptide has the following amino acid sequence: Met-Ser-Pro-Arg-Leu-Glu-Gly The amino acid…

A: Mutation is defined as sudden inheritable change that occurs in the DNA sequence. It may be…

Q: Using the numbered sites on the DNA double helix strands below, where would the DNA Primer ACTTGCGA…

A: Primers are short stretches of DNA that target unique sequences and help identify a unique part of…

Q: How are promoters recognized? proteins interact covalently with bases through the minor groove of…

A: A gene sequence has promoter sequences to which protein binds to initiate the transcription process.…

Q: What would be the likely result of expressing telomerase in somatic cells? Immortality of gametes…

A: Telomerase is also known as telomere terminal transferase enzyme which is formed of RNA subunits and…

Q: Which restriction endonucleases would cleave a DNA molecule at the given sequences? The…

A: Restriction endonucleases are found in bacteria and they cut double-stranded DNA at the…

Q: In eukaryotes, why is less DNA transcribed the more it is compacted

A: Transcription is the molecular process in which the genomic sequences of DNA are transcribed into…

Q: DNA Methylation What does DNA methylation mean (with figures/narratives) How does DNA methylation…

A: In eukaryotes, DNA methylation occurs predominantly at CpG dinucleotides sequence. In CpG, the…

Q: Describe how methylation and acetylation of the histones changes gene expression in eukaryotes. What…

A: Chromatin, which is made up of DNA wrapped around histone proteins is the form in which eukaryotic…

Q: For the following situations, indicate whether homologous or non-homologous DNA strands are…

A: Homologous or non-homologous DNA strands are preferred to use as a template in different DNA repair…