Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 15, Problem 8TYU
SCIENTIFIC INQUIRY
Imagine you want to study one of the mouse crystallins, proteins present in the lens of the eye. Assuming that the gene has been cloned, describe two ways to study its expression in the embryo.
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Chapter 15 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 15.1 - How does binding of the trp corepressor to its...Ch. 15.1 - Describe the binding of RNA polymerase,...Ch. 15.1 - WHAT IF? A certain mutation in E. coli changes the...Ch. 15.2 - Prob. 1CCCh. 15.2 - Compare the roles of general and specific...Ch. 15.2 - Prob. 3CCCh. 15.3 - WHAT IF? Suppose the mRNA being degraded in Figure...Ch. 15.3 - MAKE CONNECTIONS Inactivation of one of the X...Ch. 15.4 - Describe the role of complementary base pairing...Ch. 15.4 - WHAT IF? Study the microarray in Figure 15.17. If...
Ch. 15 - If a particular operon encodes enzymes for making...Ch. 15 - The functioning of enhancers is an example of A. a...Ch. 15 - Which of the following is an example of...Ch. 15 - Prob. 4TYUCh. 15 - Prob. 5TYUCh. 15 - Which of the following would not be true of cDNA...Ch. 15 - Prob. 7TYUCh. 15 - SCIENTIFIC INQUIRY Imagine you want to study one...Ch. 15 - FOCUS ON EVOLUTION DNA sequences can act as tape...Ch. 15 - FOCUS ON INTERACTIONS In a short essay (100150...Ch. 15 - Prob. 11TYU
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- Please answer fast Describe how specific molecules are used to change the gene expression of a gene in a cell. Explain if this change in gene expression is beneficial to either the cell or society, using specific examples .arrow_forwardPlease helparrow_forwardSelect all the examples of mutations that are likely to have a global effect on gene expression. Check All That Apply a mutation in a splice donor recognition sequence within an snRNA gene a mutation that reduces expression of an rRNA a hypomorphic mutation in the catalytic site of RNA polymerase a silent mutation in a gene encoding a protein in the small ribosomal subunit a nonsense mutation in a gene encoding an ion channelarrow_forward
- Create a Venn diagram to compare and contrast the process of gene expression in Bacteria versus eukaryotes. Remember that “gene expression” can include any part of transcription or translation. Try to be as thorough as you can about what aspects of this process are similar between the two taxa, and what characteristics are distinct to only Bacteria or eukaryotes. Plase include a minimum of 15 items in the Venn diagram.arrow_forwardDiscuss in your own wordings the concept of gene expression. proper explanation and diagramarrow_forwardThe sequencing of entire genomes has made it possible to examine the level of gene expression in a particular cell or tissue by using oligonucleotide probes to assess the mRNA expression level from a particular gene. This is done most effectively through the use of what experimental technique?arrow_forward
- Draw a diagram to illustrate how a concentration gradient of a transcription factor along the anterior-posterior axis of a Drosophila embryo can create a region in the middle in which transcription of a target gene takes place without being transcribed in either the anterior or posterior region.arrow_forwardGene expression can be controlled with the help of RNA.Explain the method with an example.arrow_forwardWhat strategy does a genetically encoded calcium indicator look like to allow fluorescence imaging of only one cell type in an acute slice of the brain? A.The use of fluorescent protein expression inhibitors in other cells B.The injection of a recombinant virus causing the death of other cells C.The use of a promoter specific to these cells D.Activation of membrane receptors specific to these cellsarrow_forward
- Why is regulating transcription the main way that cells control gene expression? A. Because transcription is the last step in gene expression, stopping here ensures that the cell has a stockpile of proteins to prepare them from all unexpected environmental changes. B. Because transcription involves interactions with DNA, preventing transcription reduces the changes of mutation in the cell’s genome. C. Because transcription is the first step in gene expression, stopping at transcription reduces the amount of energy and resources used by producing unnecessary gene products. D. Because transcription is the shortest step in gene expression, preventing transcription has little effect on the rate of protein production.arrow_forwardSuppose you had funding to do a genome-wide gene expression experiment (20,000 genes). You can use a total of 20 RNA samples. Briefly describe the experiment you would run. In the context of your experiment, what is a false positive? In the context of your experiment, what is a false negativearrow_forwardYou are curious to identify the region of the gene X sequence that serves as an enhancer for gene expression. Design an experiment to investigate this issue.arrow_forward
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