onsidering the 7 levels of gene regulation, which of the following mechanisms acts at first level? a. repressor binding to sequence blocking the promoter b. miRNA silencing c. differential processing of RNA d. protein modification e. answer may vary depending if this occurs in a prokaryote or a eukaryote

onsidering the 7 levels of gene regulation, which of the following mechanisms acts at first level? a. repressor binding to sequence blocking the promoter b. miRNA silencing c. differential processing of RNA d. protein modification e. answer may vary depending if this occurs in a prokaryote or a eukaryote

Name: In considering the 7 levels of gene regulation, which of the followin
Uploaded: 2024-03-20T06:42:41.000Z
Channel: Bartleby
Description: In considering the 7 levels of gene regulation, which of the following mechanisms acts at first level?a. repressor binding to sequence blocking the promoterb. miRNA silencingc. differential processing of RNAd. protein modificatione. answer may vary

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter14: Gene Regulation

Section: Chapter Questions

Problem 7TYU: Which of the following is characteristic of genes and gene regulation in both bacteria and...

See similar textbooks

Similar questions

Which of the following is characteristic of genes and gene regulation in both bacteria and eukaryotes? (a) promoters (b) non-coding DNA within coding sequences (c) enhancers (d) operons (e) DNA located in a nucleus
Which of the following statements best describes the promoter of a protein-coding gene? A. The promoter is a protein that recruits RNA polymerase. B. The promoter is part of the RNA molecule itself. C. The promoter is a site found on RNA polymerase. D. The promoter contains the AUG start codon. E. The promoter is a nontranscribed region of a gene.
. Which of the following is an example of post-transcriptional gene repression?a. The amount of RNA transcribed from a gene isreduced because the DNA is methylated.b. The amount of RNA is reduced because it is rapidlydegraded.c. The amount of protein made is reduced by action ofan miRNA.d. b and c are both correct.
What are two reasons that a eukaryotic gene (e.g. Green Fluorescent Protein in jellyfish) will not be expressed if it is inserted into a bacterial genome with no alterations? a. Bacterial genes do not contain introns b. Bacterial promoters have different consensus sequences than eukaryotic ones c. Transcription of this gene is affected by the simultaneous processes of transcription and translation d.
In RNA silencing, siRNAs and miRNAs usually bind to which part of the mRNA molecules that they control? a. 5′ UTR b. Coding region c. 3′ poly(A) tail d. 3′ UTR
Provide the SIGNIFICANT differences between the following: 1. Regulation AFTER transcription mRNA processing miRNAs a. b. 2. Types of Genes Facultative Constitutive a. b.
Which of the following best explains how the prokaryotic expression of a metabolic protein can be regulated when the protein is already present at a high concentration? a.Repressor proteins can be activated and bind to regulatory sequences to block transcription. b.Regulatory proteins can be inactivated to increase gene expression. c.Transcription factors can bind to regulatory sequences to increase RNA polymerase binding. d.Histone modification can prevent transcription of the gene.
Initiation of transcription A occurs at terminators B occurs only in eukaryotes C occurs in promoters D none of the above
Which of the following incorrectly describes the difference between eukaryotic and prokaryotic gene expression? A. Their promoter sequences are different. B. Their RNA polymerases are different. C. The ribosomal units are different. D. mRNA in eukaryotes is processed, but is not in prokaryotes. E. None of the above
Which of the following is true regarding General transcription factors? a. Act at every gene for a given RNA pol b. Act only at specific genes for under specific conditions c. Must be very close to the promoter d. None of the above
Changes in a cell that affect micro RNAs lead to cancer because miRNAs... a. help a cell to maintain a tight control on protein levels in a cell. b. decrease the level of a specific protein. c. increase the level of a specific protein. d. prevent the Warburg effect.
A regulatory region shows all of the following properties except a) can be located in an exon. b) can be located at a distance from the gene. c) acts as a binding site for transcription factors. d) acts as a binding site for a polymerase.