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 15RQ
Which of the following are involved in post transcriptional control?
- controlof RNAsplicing
- controlof RNA shuttling
- controlof RNA stability d.
all of the above
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Which of the following is involved in pre-transcriptional gene regulation?
a.) alternative splicing
b.) DNA methylation
c.) micro RNA
d.) histones
Which of the following are involved in posttranscriptional control? a. control of RNA splicing b. control of RNA shuttling c. control of RNA stability d. all of the above
The most common type of gene control is at the level of ________________.
A
transcription
B
translation
C
RNA splicing
D
none of the above
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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- Which of the following is an example of positive control? (a) transcription occurs when a repressor binds to an inducer (b) transcription cannot occur when a repressor binds to a corepressor (c) transcription is stimulated when an activator protein binds to DNA (d) a and b (e) a and carrow_forwardThe stage of transcription where mRNA is synthesized is called (a) initiation (b) elongation (c) termination (d) post transcriptional modification (e) none of the abovearrow_forward. 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.arrow_forward
- DNA methylation is a potential example of A. post-translational control B. translational control C. transcriptional control D. allosteric controlarrow_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_forwardDefine and describe the roles of the following in transcription: a. transcription factors b. RNA polymerase c. promoter d. sigma factor e. enhancer f. TATA boxarrow_forward
- The basal transcription apparatus is composed of a. five general transcription factors. b. RNA polymerase II. c. a DNA sequence containing a TATA box and transcriptional start site. d. all of the above.arrow_forwardWhich of the following is NOT TRUE about Eukaryotic Transcription: A. Occurs in the cytoplasm B. Pol II has 12 subunits C. Pol III transcribes tRNA genes D. It’s controlled by Cis-acting sequences E. Leads to specialization of cell functionarrow_forwardAre the following statements TRUE or FALSE?a. Post-transcriptional RNA processing occurs in the cytoplasm of the cell.b. A primary RNA transcript is often much longer than the mature mRNA that leaves the nucleus.c. Both ends of a pre-mRNA are modified to facilitate RNA splicing.arrow_forward
- 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 abovearrow_forwardRegulatory transcription factors can be modulated by a. the binding of small effector molecules. b. protein-protein interactions. c. covalent modifications. d. all of the above.arrow_forwardWhat will result from the binding of a transcription factor to an enhancer region? a. decreased transcription of an adjacent gene b. increased transcription of a distant gene c. alteration of the translation of an adjacent gene d. initiation of the recruitment of RNA polymerasearrow_forward
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