EBK BIOLOGY
11th Edition
ISBN: 8220106820636
Author: Martin
Publisher: CENGAGE L
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Chapter 14.3, Problem 10LO
Summary Introduction
To identify: Some of the types of regulatory controls that operate in eukaryotes after mature mRNA is formed.
Introduction: Genes are sets of
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Explain how the expression of a single gene can be quickly,efficiently,and specifically shut down at the transcriptional,posttranscriptional,and posttranslational stages through thecoordinated expression of a transcriptional repressor, an miRNA,and a ubiquitin ligase.
Describe how mature messenger ribonucleic acids (MRNAS) are post-transcriptionally processed in
the nucleus before they are transported to the cytoplasm of a eukaryotic cell.
List the steps in the processing of a typical eukaryotic mRNA precursor to prepare it for its functional role.
Chapter 14 Solutions
EBK BIOLOGY
Ch. 14.1 - Explain why bacterial and eukaryotic cells have...Ch. 14.1 - Prob. 1CCh. 14.1 - Prob. 2CCh. 14.2 - Prob. 2LOCh. 14.2 - Distinguish among inducible, repressible, and...Ch. 14.2 - Differentiate between positive and negative...Ch. 14.2 - Prob. 5LOCh. 14.2 - Prob. 1CCh. 14.2 - What structural features does the trp operon share...Ch. 14.2 - Prob. 3C
Ch. 14.2 - Prob. 4CCh. 14.3 - Prob. 6LOCh. 14.3 - Give examples of some of the ways eukaryotic...Ch. 14.3 - Prob. 8LOCh. 14.3 - Prob. 9LOCh. 14.3 - Prob. 10LOCh. 14.3 - Prob. 1CCh. 14.3 - Prob. 2CCh. 14.3 - Prob. 3CCh. 14.3 - Prob. 4CCh. 14.3 - Prob. 5CCh. 14 - The regulation of most bacterial genes occurs at...Ch. 14 - Prob. 2TYUCh. 14 - Prob. 3TYUCh. 14 - Prob. 4TYUCh. 14 - Inactive genes tend to be found in (a) highly...Ch. 14 - Prob. 6TYUCh. 14 - Which of the following is characteristic of genes...Ch. 14 - Through alternative splicing, eukaryotes (a)...Ch. 14 - A mutation that inactivates the repressor gene of...Ch. 14 - Which of the following is an example of positive...Ch. 14 - Prob. 11TYUCh. 14 - PREDICT Compare the types of bacterial genes...Ch. 14 - INTERPRET DATA Develop a simple hypothesis that...Ch. 14 - Prob. 14TYUCh. 14 - Prob. 15TYUCh. 14 - EVOLUTION LINK Suggest why evolution resulted in...Ch. 14 - Prob. 17TYU
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- Name and describe three types of modification that the mRNA undergoes in eukaryotes before the MRNA is translated.arrow_forwardThe following is the only intron sequence of a gene that will be excised during the maturation of the mRNA. But it is not spliced in some tissues, where alternative splicing pattern is seen. Will the amino acid of its protein product following this sequence change? Explain with an example. ATGATAGCCAGACTCGCAarrow_forwardThe following is the only intron sequence of a gene that will be excised during the maturation of the mRNA. But it is not spliced in some tissues, where alternative splicing pattern is seen. Will the amino acid of its protein product following this sequence change? Explain with an example. ATGATAGCACCAGACTCGCAarrow_forward
- The following is the only intron sequence of a gene that will be excised during the maturation of the mRNA. But it is not spliced in some tissues, where alternative splicing pattern is seen. Will the amino acid of its protein product following this sequence change? Explain with an example. ATAAGCCAGACTCAGCAarrow_forwardDescribe the various post-transcriptional and post-translational modifications that occur during the transition from pre-mRNA to mature protein.arrow_forwardDiscuss 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_forward
- MRNAs and eukaryotic cells receive different modifications than those in prokaryotic cells, because eukaryotic mRNAs must be able to accomplish different things. Which of the following describes events that are necessary for an mRNA to be expressed in a eukaryotic cell, but are not necessary for mRNAs in a prokaryotic cell? select all that apply A) introns must be removed from the eukaryotic mRNA B) The mRNA must leave from the nucleus C) transcription factors must bind to the mRNA in a eukaryotic cell after it is transcribed D) A ribsome must bind to the mRNA .arrow_forwardUsing what is known about the location of introns, a methylguanosine cap, and a poly-A tail, the direction of mRNA synthesis, and the cotranscriptional mechanism of RNA processing, propose the chronological order in which each of these modifications occurs to an mRNA: Splicing, Capping, Polyadenylationarrow_forwardDescribe how transcription in prokaryotic cells can be altered by external stimulation such as excess lactose in the environment.arrow_forward
- Introns are often very large and the cell has devoted mechanisms of eliminating them once they are excised from the pre-mRNA. Following intron excision, what specific ribonucleolytic enzymes or complexes contribute to eliminating the intron RNA immediately after it is excised from the pre-mRNA? Briefly describe the role of each step/enzyme and how it affects its RNA substratearrow_forward1arrow_forwardCompare bacterial and eukaryotic mRNAs, and explain the functional significance of their structural differences.arrow_forward
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