Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 16, Problem 5RQ
Post-translational control refers to:
- regulation of gene expression after transcription
- regulation of gene expression after translation
- control of epigenetic activation
- period between transcription and translation
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Which of the following processes regulates the maturation of mRNA from hnRNA (in the control of gene expression in humans and other eukaryotes)?
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processing of RNA
transcription of RNA
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Which process of gene regulation specifically effects the activity of a protein?
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What level of control of gene expression is defined as regulating whether a particular mRNA is actually used in proteins synthesis and if so for how long a period of time
transcriptional leve control
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Chapter 16 Solutions
Biology 2e
Ch. 16 - Figure 16.5 In E. coli, the tip operon is on by...Ch. 16 - Figure 16.7 In females, one of the two X...Ch. 16 - Figure 16.13 An increase in phosphorylation levels...Ch. 16 - Control of gene expression in eukaryotic cells...Ch. 16 - Post-translational control refers to: regulation...Ch. 16 - How does the regulation of gene expression support...Ch. 16 - If glucose is absent, but so is lactose, the lac...Ch. 16 - Prokaryotic cells lack a nucleus. Therefore, the...Ch. 16 - The a/a operon is an inducible operon that...Ch. 16 - What are epigenetic modifications? the addition of...
Ch. 16 - Which of the following are true of epigenetic...Ch. 16 - The binding of _____ is required for transcription...Ch. 16 - What will result from the binding of a...Ch. 16 - A scientist compares the promoter regions of two...Ch. 16 - Which of the following are involved in post...Ch. 16 - Binding of an RNA binding protein will the...Ch. 16 - An unprocessed pre-mRNA has the following...Ch. 16 - IS. Alternative splicing has been estimated to...Ch. 16 - Post-translational modifications of proteins can...Ch. 16 - A scientist mutates elF-2 to eliminate its GTP...Ch. 16 - Cancer causing genes are called transformation...Ch. 16 - Targeted therapies are used in patients with a set...Ch. 16 - Name two differences between prokaryotic and...Ch. 16 - Describe how controlling gene expression will...Ch. 16 - Describe how transcription in prokaryotic cells...Ch. 16 - What is the difference between a repressible and...Ch. 16 - In cancer cells, alteration to epigenetic...Ch. 16 - A scientific study demonstrated that rat mothering...Ch. 16 - Some autoimmune diseases show a positive...Ch. 16 - A mutation within the promoter region can alter...Ch. 16 - What could happen if a cell had too much of an...Ch. 16 - A scientist identifies a potential transcription...Ch. 16 - Describe how RBPs can prevent miRNAs from...Ch. 16 - How can external stimuli alter...Ch. 16 - Protein modification can alter gene expression in...Ch. 16 - Alternative forms of a protein can be beneficial...Ch. 16 - Changes in epigenetic modifications alter the...Ch. 16 - A scientist discovers a virus encoding a Protein X...Ch. 16 - New drugs are being developed that decrease DNA...Ch. 16 - How can understanding the gene expression pattern...
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- Modifications of histone tails to gain access to a gene is known as ______. Chromatin modifications DNA methylation Post-transcriptional processing Post-translational modificationsarrow_forwardEukaryotic regulation of gene expression occurs at the level of _____ transcription splicing and processing mRNA degradation translation all of the abovearrow_forwardWhich level of control of genes expression is defined as determining if a particular gene can give rise to mRNA and if so how often transcriptional leve control translational leve control processing level control replication level control denaturation level controlarrow_forward
- Which of the following may produce more than one functional protein from an mRNA transcript?a. chromatin condensation b. transcriptional regulation c. epigeneticsd. alternative mRNA processingarrow_forwardDescribe the advantages and disadvantages of the following mechanisms of regulation: Transcriptional control Translational control Post translational controlarrow_forwardWhich of the following is a method through which cells can control their gene expression? Increase a gene's stability using post-translational modifications Epigenetic modifications of the DNA or histones to regulate DNA avilability phosphorylation of thymidines formation of crosslinks between the DNA strands and the histonesarrow_forward
- Epigenetic changes in gene regulation are caused by ________. missing nucleotides or chromosomes missing nucleotides or chromosomes mutations of the nucleotide sequence mutations of the nucleotide sequence modifications to histones and the DNA, but not the nucleotide sequence itselfarrow_forwardWhich method is most likely used to regulate the expression of a gene that is active during embryonic development but then silenced for the rest of the life of the individual? Histone modification Post translational modifications Alternative Splicing Controlling RNA export from the nucleusarrow_forwardWhen regulatory protein binds to a mature mRNA in the cytoplasm and prevents it from binding to a ribosome, this is an example of: A) transcriptional control B) post-transcriptional control C) post-translational control D) epigenetic control E) translational controlarrow_forward
- Which of the following gene expression regulatory mechanisms saves the most energy but takes the longest to fully express the genes once signaled? a. transcriptional regulation b. post-transcriptional regulation c. post-translational regulation d. translational regulationarrow_forwardRegulation of gene expression most typically occurs at the level of ______________. Select one: a. transcription b. post-transcription c. post-translationarrow_forwardWhich of the following is true of the timing of RNA processing? The premise is false; mRNA processing does not occur in eukaryotes mRNA processing occurs in the cytosol after pre-mRNA is exported from the nucleus mRNA processing occurs co-transcriptionally mRNA processing occurs in the nucleus after transcription has terminatedarrow_forward
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