Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780133922851
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 11.2CR
How are the structures of a GPCR and an RTK similar? How does initiation of signal transduction differ for these two types of receptors?
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a line of cultured cells has a highly active Gs linked system that leads to persistent activation of adenyl cyclase. which of the following treatments is most likely to decrease signaling through this pathway. A) overexpression of G-alpha protein , B) overexpression of phosphodieterase, C) overexpression of ras protein, D) treatment with GTP, E) treatment with a protein kinase C agonist
What do the cytoplasmic domain of a G protein-coupled receptor and the adaptor protein in the RTK pathway have in common?
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Chapter 11 Solutions
Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
Ch. 11.1 - Explain how signaling is involved in ensuring that...Ch. 11.1 - In liver cells, glycogen Phosphorylase acts in...Ch. 11.1 - Prob. 3CCCh. 11.2 - Nerve growth factor (NGF) is a water-soluble...Ch. 11.2 - WHAT IF? What would the effect be if a cell made...Ch. 11.2 - MAKE CONNECTIONS How is ligand binding similar to...Ch. 11.2 - Prob. 4CCCh. 11.3 - What is a protein kinase, and what is its role in...Ch. 11.3 - When a signal transduction pathway involves a...Ch. 11.3 - What is the actual signal that is being transduced...
Ch. 11.3 - WHAT IF? If you exposed a cell to a ligand that...Ch. 11.4 - How can a targct cell's response to a single...Ch. 11.4 - WHAT IF? If two cells have different scaffolding...Ch. 11.4 - Prob. 3CCCh. 11.5 - Give an example of apoptosis during embryonic...Ch. 11.5 - WH AT IF? If apoptosis occurred when it should...Ch. 11 - What determines whether a cell responds to a...Ch. 11 - How are the structures of a GPCR and an RTK...Ch. 11 - What is the difference between a protein kinase...Ch. 11 - What mechanisms in the cell terminale its response...Ch. 11 - What is an explanation for the similarities...Ch. 11 - Binding of a signaling molecule to which type of...Ch. 11 - The activation of receptor tyrosinc kinases is...Ch. 11 - Lipid-soluble signaling molecules, such as...Ch. 11 - Consider this pathway: epinephrine G...Ch. 11 - Apoptosis involves all but which of the following?...Ch. 11 - Which Observation suggestcd to Sutherland the...Ch. 11 - Protein phosphorylation is commonly involved with...Ch. 11 - DRAW IT Draw the following apoptotic pathway,...Ch. 11 - EVOLUTION CONNECTION Identify the evolutlonary...Ch. 11 - Prob. 10TYUCh. 11 - SCIENCE, TECHNOLOGY, AND SOCIETY The aging process...Ch. 11 - WRITE ABOUT A THEME: ORGANIZATION The properties...Ch. 11 - SYNTHESIZE YOUR KNOWLEDGE There are five basic...
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- My boss has given me the purified extracellular portion of the Notch receptor. As Delta/Notch signaling occurs between cells, I know that both the Notch receptor and and Delta are most likely "comfortable" in the environment of the blood, not the cytosol, nucleus, mitochondria, etc... I want to purify Delta, the signal. What would be true of the most specific purification technique I could choose, i.e. the technique that will result in the fewest proteins in the fraction containing Delta? Do not worry about whether the protein works after fractionation yet. Pick ALL that apply. I would use ion exchange chromatography. I would use size exclusion chromatography I would use affinity chromatography I would use a water based mobile phase of 7.4 I would use an acetonitrile mobile phase with a pH of 7.4 I would use a water based mobile phase of pH 7.2 I would use an acetonitrile phase of 7.2 I…arrow_forwardIf a cell expresses a dominant-negative tyrosine-kinase-linked receptor (RTK) that lacks the kinase domain, which of the following will still happen in response to a growth factor that binds the RTK? A Receptor cross-phosphorylation. Activation of target proteins by Ras. C) Receptor dimerization. D) Binding of the growth factor to its receptor. Interaction of Ras with the activated receptor. Barrow_forwardPlease give the answers onlyarrow_forward
- Even in the presence of a Ras-GAP, a single amino acid change in as renders it incapable of hydrolyzing GTP. This mutation is known as Ras+ and is a cancer-causing mutation. What effect do you think this mutation will have on signaling downstream of Ras+? Why? a)A mutation would turn on the signaling pathway all of the time. b)Even if a route is mutated, it can still be turned on or off. c)Due to a mutation, the signaling pathway would always be off.arrow_forwardwhat general features may make the C3b receptor suitable for binding C3b but not other ligands?arrow_forwardWhat is a signal-transduction pathway? Why are mutations in components of signal-transduction pathways often associated with cancer?arrow_forward
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