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 19RQ
Post-translational modifications of proteins can affect which of the following?
- protein function
- transcriptional regulation
- chromatin modification
- all of the above
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Post-translational modifications of proteins can affect which of the following? a. protein function b. transcriptional regulation c. chromatin modification d. all of the above
Which of the following causes epigenetic modifications to DNA that affects gene expression without changing the DNA sequence?
Base pair expression.
DNA methylation.
Mutation in regulatory sites.
Gene knockout.
Which of the following processes includes the removal of introns in the primary RNA transcripts?
Group of answer choices
transcription
translation
post-translational modification
post-transcriptional modification
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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- The promoter and terminator regions of genes are important in: a. coding for amino acids b. gene regulation c. structural support for the gene d. intron removal e. anticodon recognitionarrow_forwardWhich of the following is an example of chromatin modification that stimulates gene expression? Group of answer choices A. alternative exon splicing b. microRNA binding to mRNA c. DNA methylation D. histone acetylationarrow_forwardWhich 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_forward
- Which 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_forwardWhat type of genetic regulation seems to be the most similar between prokaryotes and eukaryotes? Group of answer choices RNA splicing regulation transcriptional regulation 5'-capping regulation intron/exon shuffling poly-A tail additionarrow_forwardEukaryotic regulation of gene expression occurs at the level of _____ transcription splicing and processing mRNA degradation translation all of the abovearrow_forward
- which of the following is not a major factor in regulating specific protein content in the cell? A. Protien lifetime B. Transcription length C. Translation frequency D. Transcription frequencyarrow_forwardWhich of the following is not one of the ways in which environmental events can influence the expression of a particular gene? Question 13 options: ribosome modification mRNA modification histone modification DNA modificationarrow_forwardWhich of the following is true only for eukaryotic gene expression? mRNA is synthesized in the 3' ---> 5' direction. Translation of mRNA routinely begins before transcription is complete. The mRNA transcript is the exact complement of the gene from which it was copied. After transcription, a 3' poly-A tail and a 5' cap are added to mRNA. RNA polymerase binds to the promoter region to begin transcription.arrow_forward
- Which 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_forwardInverted repeats in the DNA sequence being transcribed can lead to mRNA molecule that forms a hairpin loop and is often used terminate transcription. The transcription process supercolls DNA. the first statement is true. the second statement is false. the first statement is false. the second statement is true. Both statements are true. Both statements are false.arrow_forwardThe expression of eukaryotic genes can be regulated at the level of Choose one of the following transcription initiation. RNA splicing. translation. RNA stability. all of the abovearrow_forward
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