Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 16, Problem 14TYK
Summary Introduction
To review:
Developing a hypothesis to explain that the eukaryotic transcription is generally controlled by the binding of regulatory protein to the DNA sequences rather than the RNA polymerase modification.
Introduction:
Transcription is the process of formation of RNA (ribonucleic acid) from DNA (deoxyribonucleic acid) by the enzyme RNA polymerases. Protein is formed from RNA by the process of translation. Living cell switches on or off the transcription, depending upon the requirement of the cell and this process is called transcriptional regulation. The cellular machinery of eukaryotes and prokaryotes is different and thus, they have different type of transcriptional regulations in their cells.
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Chapter 16 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 16.1 - Suppose the lacl gene is mutated so that the Lac...Ch. 16.1 - Answer the equivalent question for the trp operon:...Ch. 16.2 - What is the role of histones in gene expression?...Ch. 16.2 - Prob. 2SBCh. 16.3 - Prob. 1SBCh. 16.3 - Prob. 2SBCh. 16.4 - Prob. 1SBCh. 16.4 - Prob. 2SBCh. 16.5 - Prob. 1SBCh. 16.5 - Prob. 2SB
Ch. 16.5 - Prob. 3SBCh. 16.5 - Prob. 4SBCh. 16 - Prob. 1TYKCh. 16 - For the E. coli lac operon, when lactose is...Ch. 16 - Prob. 3TYKCh. 16 - Prob. 4TYKCh. 16 - Prob. 5TYKCh. 16 - Prob. 6TYKCh. 16 - Prob. 7TYKCh. 16 - Prob. 8TYKCh. 16 - Prob. 9TYKCh. 16 - Prob. 10TYKCh. 16 - Discuss Concepts In a mutant strain of E. coli,...Ch. 16 - Prob. 12TYKCh. 16 - Prob. 13TYKCh. 16 - Prob. 14TYKCh. 16 - Design an experiment using rats as the model...Ch. 16 - Prob. 1ITDCh. 16 - Prob. 2ITDCh. 16 - Prob. 3ITDCh. 16 - Prob. 4ITD
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- Compare the roles of polyribosomes in prokaryotes vs eukaryotes in terms of coupling transcription and translations. And amplification of translation proteins.arrow_forwardWith regard to transcriptional termination in eukaryotes, which model suggests that RNA polymerase is physically removed from the DNA? a. Allosteric model b. Torpedo model c. Both models d. Neither modelarrow_forward) Compare and contrast Prokaryotic and Eukaryotic transcription. For full credit, you must describe each component of the process for each group and its purpose, as well as describe the difference between the Prokaryotes and Eukaryotes at every stage of the process.arrow_forward
- Create a concept map that illustrates transcription in eukaryotes by including the following terms: eukaryotic transcription, RNA polymerase I, RNA polymerase II, RNA polymerase III, transcription factors, basal transcription apparatus, regulatory promoter, core promoter, enhancer, TATA box.arrow_forwardCompare and contrast two mechanisms for transcriptional termination in bacteria.arrow_forwardYou suspect that the mRNA encoding the guanine biosynthetic genes of Bacillus subtilus contains an aptamer that binds guanine leading to premature termination of transcription. Propose a way you can test this hypothesisarrow_forward
- Briefly describe an experiment you could perform to isolate ER-associated ribosomes and test if these are capable of translating mRNAs that code for cytoplasmic proteins.arrow_forwardCompare and contrast the formation of mRNA in bacterial and eukaryotic cells. How do the differences affect the way in which each type of mRNA is translated? Does one system have obvious advantage in term of energy cost? Which system offers greater opportunities for control of gene expression?arrow_forwardYou are studying the rate of transcription of a particular eukaryotic gene. When the DNA located several thousand bases upstream from the gene is removed, the transcription rate of the gene decreases dramatically. How would you interpret these results?arrow_forward
- For each statement about gene expression mechanisms, choose the correct end to the sentence. For each gene, the template strand for transcription is determined by…. The direction of translation is determined by…… The tissue-specificity of protein production is determined by…. choices: a. location of the start codon b. location of the promoter c. direction of polymerization by RNA polymerase d. none of these e. direction of movement of ribosomes f. overall orientation of the chromosomearrow_forwardSuppose that a consensus sequence in the regulatory promoter of a eukaryotic gene that encodes enzyme A were deleted. Which of the following effects would result from this deletion? Explain your reasoning. Q.. The amount of mRNA transcribed would be affectedarrow_forwardAnswer these questions concerning promoters. a) What role do promoters play in transcription? b) What is the common structure of bacterial promoter with respect to consensus sequences? c) Eukaryotic promoters are more variable than bacterial promoters. Why? d) What is the meaning of the term alternative promoter? How does the use of alternative promoters affect transcription?arrow_forward
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