MODIFIED MASTERING BIOLOGY WITH PEARSO
11th Edition
ISBN: 9780134447292
Author: Urry
Publisher: PEARSON EDUCATION (COLLEGE)
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Textbook Question
Chapter 18, Problem 3TYU
The functioning of enhancers is an example of
(A) a eukaryotic equivalent of prokaryotic promoter functioning.
(B) tränscriptional control of gene expression.
(C) the Stimulation of tianslation by initiation factors.
(D) post-translational control that activates certain proteins.
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Chapter 18 Solutions
MODIFIED MASTERING BIOLOGY WITH PEARSO
Ch. 18.1 - How does binding of the trp corepressor to the trp...Ch. 18.1 - Describe the binding of RNA Polymerase,...Ch. 18.1 - WHAT IF? A certain mutation in E. coli changes...Ch. 18.2 - In general, what are the effects of histone...Ch. 18.2 - MAKE CONNECTIONS Speculate about whether the same...Ch. 18.2 - Compare the roles of general and specific...Ch. 18.2 - Once mRNA encoding a particular protein reaches...Ch. 18.2 - WHAT IF? Suppose you compared the nucleotide...Ch. 18.3 - Compare miRNAs and siRNAs, including their...Ch. 18.3 - WH AT IF? Suppose the mRNA being degraded in...
Ch. 18.3 - MAKE CONNECTIONS Inactivation of one of the X...Ch. 18.4 - MAKE CONNECTIONS As you learned in Chapter 12,...Ch. 18.4 - MAKE CONNECTIONS Explain how the signaling...Ch. 18.4 - How do fruit fly maternal effect genes determine...Ch. 18.4 - Prob. 4CCCh. 18.5 - Prob. 1CCCh. 18.5 - Under what circumstances is cancer considered to...Ch. 18.5 - MAKE CONNECTIONS The p53 protein can activate...Ch. 18 - Compare and contrast the roles of a corepressor...Ch. 18 - Describe what must happen in a cell for a gene...Ch. 18 - Why are miRNAs called noncoding RNAs? Explsin how...Ch. 18 - Describe the two main processes that cause...Ch. 18 - Compare the usual functions of proteins encoded by...Ch. 18 - If a particular operon encodes enzymes for making...Ch. 18 - Muscle cells differ from nerve cells mainly...Ch. 18 - The functioning of enhancers is an example of (A)...Ch. 18 - Cell differentiation always involves (A)...Ch. 18 - Which of the following is an example of...Ch. 18 - What would occur if the repressor of an inducible...Ch. 18 - Absence of bicoid in mRNA from a Drosophila egg...Ch. 18 - Which of the following statements about the DNA in...Ch. 18 - Within a cell, the amount of protein made using a...Ch. 18 - Prob. 10TYUCh. 18 - draw it The diagram below shows five genes,...Ch. 18 - Prob. 12TYUCh. 18 - Prob. 13TYUCh. 18 - SCIENCE. TECHNOLOGY, AND SOCIETY Trace amounts of...Ch. 18 - WRITE ABOUT A THEME: INTERACTIONS In a Short essay...Ch. 18 - SYNTHESIZE YOUR KNOWLEDGE The flashlight fish has...
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- Name the lambda promoters whose expression is regulated by the cro protein. For each promoter you named, is cro an activator or a repressor of transcription from that promoter?arrow_forwardEnhancers can influence the transcription of genes far away on the same chromosome. How are the effects of enhancers restricted so that they do not exert inappropriate transcriptional activation of non-target genes?arrow_forwardTranscriptional regulation often involves a regulatory protein that binds to a segment of DNA and a small effector molecule that binds to the regulatory protein. Do each of the following terms apply to a regulatory protein, a segment of DNA, or a small effector molecule? A. Repressor B. Inducer C. Operator site D. Corepressor E. Activator F. Attenuator G. Inhibitorarrow_forward
- Describe three ways that the function of a regulatory transcription factor can be modulated.arrow_forwardCells go to great length to correctmistakes in the processes of DNAreplication, transcription, splicing,and translation. Are there analogousstrategies to correct mistakes in theselection of which genes are to beexpressed in a given cell type? Couldthe great complexity of transcriptioninitiation in animals and plants reflectsuch a strategy?arrow_forwardWhat are general transcription factors? When do you expect to find them? What is a cis acting regulatory sequence? Where are they located in comparison with the gene they are regulating?arrow_forward
- The choice between lysogeny and lysis is influenced by many factors. How would external conditions such as starvation or crowding be “sensed” and communicated to the transcriptional machinery and influence this choice?arrow_forwardSuppose you want to study the transcription in vitro of one particular gene in a DNA molecule that contains several genes and promoters. Without adding specific regulatory proteins, how might you stimulate transcription from the gene of interest relative to the transcription of the other genes on your DNA template? To make all of the complexes identical, you would like to arrest all transcriptional events at the same position on the DNA template before isolating the complex. How might you do this?arrow_forwardHow the transcription of one gene can be regulatedby the interplay of multiple promoter and enhancer elementsand the transcription factors ?arrow_forward
- How would a mutation which prevented Gal3 from binding to Gal80 affect gene expression from the GAL promoter?arrow_forwardExplain 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.arrow_forwardExplain the binding of transcription regulatory proteins to DNA ?arrow_forward
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