For each of the following types of gene regulation, indicate whether it occurs in eukaryotes only, in prokaryotes only, or in both prokaryotes and eukaryotes.a. differential splicingb. positive regulationc. chromatin compactiond. attenuation of transcription through translation ofthe RNA leadere. negative regulationf. translational regulation by small RNAs

For each of the following types of gene regulation, indicate whether it occurs in eukaryotes only, in prokaryotes only, or in both prokaryotes and eukaryotes.a. differential splicingb. positive regulationc. chromatin compactiond. attenuation of transcription through translation ofthe RNA leadere. negative regulationf. translational regulation by small RNAs

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Description: For each of the following types of gene regulation, indicate whether it occurs in eukaryotes only, in prokaryotes only, or in both prokaryotes and eukaryotes.a. differential splicingb. positive regulationc. chromatin compactiond. attenuation of trans

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 6TYU

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Through alternative splicing, eukaryotes (a) reinforce gene inactivation (b) prevent transcription of heterochromatin (c) produce related but different proteins in different tissues (d) amplify genes to meet the requirement of high levels of a gene product (e) bind transcription factors to enhancers to activate transcription
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
Put the following processes in order of their occurrence during expression of a eukaryotic gene: a. mRNA processing c. transcription b. translation d. RNA leaves nucleus
A mutation that inactivates the repressor gene of the lac operon results in (a) the continuous transcription of the structural genes (b) no transcription of the structural genes (c) the binding of the repressor to the operator (d) no production of RNA polymerase (e) no difference in the rate of transcription
If a mutation occurred in a control element sequence associated with a particular gene, which of the following would be a likely consequence of this? A. This mutation is not likely to affect the expression of the associated gene, because RNA polymerase does not bind to control elements. B. This will likely affect the expression of the associated gene because it will loosen the coiling of chromatin at this site. C. The expression of the associated gene will be affected because this change will result in a nonsense mutation. D. This mutation is not likely to affect the expression of the associated gene, since control elements are noncoding sequences. E. The associated gene's expression would likely be affected, since this mutation would change the ability of at least one transcription factor to bind.
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.
Which of the following statements is correct about eukaryotic gene expression?a. mRNAs must have introns spliced out.b. mRNAs contain the transcript of only one gene.c. Enhancers act from a distance.d. All of the above
Eukaryotic cells have multiple complex mechanisms for the regulation of gene expression, but a regulatory mechanism they rarely (if ever) use is a. operons. b. regulatory proteins. c. transcriptional factors. d. promoters.
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.
Which of the following methods is utilized by eukaryotes to control their gene expression that is different from the type of control found in bacteria? a) control of chromatic remodeling. b) control of RNA splicing. c) transcriptional control. d) control of both RNA splicing and chromatin remodeling.
Which of the following will increase the rate of transcription? a. Activation of a transcriptional repressor b. Inhibition of a transcriptional activator c. Histone methylation leading to chromatin compaction d. Removal of RNA polymerase
Centers of transcriptional repression that are usually associated with lamina or found around nucleolus are a) cajal bodies b) Barr bodies c) polycomb bodies d) None of these apply