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 25CTQ
Describe how transcription in prokaryotic cells can be altered by external stimulation such as excess lactose in the environment.
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Describe how transcription in prokaryotic cells can be altered by external stimulation such as excess lactose in the environment.
Discuss the initiation of transcription (mRNA synthesis) in prokaryotes in detail
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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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- Briefly describe transcription?with example.arrow_forwardList and describe the sequential steps of TRANSCRIPTION in prokaryotic (bacterial) cellsarrow_forwardDescribe how mature messenger ribonucleic acids (MRNAS) are post-transcriptionally processed in the nucleus before they are transported to the cytoplasm of a eukaryotic cell.arrow_forward
- Describe the recognition process by which the tRNA for Nformylmethionine interacts with the portion of mRNA that specifies the start of transcription.arrow_forwardDescribe the synthesis of prokaryotic RNA in brief. What are small non coding RNAs or microRNAs and SiRNAs? Describe the inbitory mechanism of gene expression by SiRNAs in brief.arrow_forwardList the 5 general transcription factors required for initiation of transcription in eukaryotes.arrow_forward
- Discuss how the expression of a protein can be regulated post transcription in eukaryotic cells through, using the following key terms: Degradation of mRNA (two ways) Blocking translation Degradation of the proteinarrow_forwardDefine regulatory mutation. Describe how an insertion, deletion, or substituion of a base pair in a promoter might affect the transcription driven by that promoter.arrow_forwardDescribe the transcription initiation (on the example of mRNA synthesis by RNA polymerase II).arrow_forward
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