Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 9, Problem 29CTQ
What would happen if the intracellular domain of a cell-surface receptor was switched with the domain from another receptor?
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Chapter 9 Solutions
Biology 2e
Ch. 9 - Figure 9.8 HER2 is a receptor tyrosine kinase. In...Ch. 9 - Figure 9.10 In certain cancers, the GTPase...Ch. 9 - Figure 9.17 Which of the following statements...Ch. 9 - Figure 9.18 What advantage might biofilm...Ch. 9 - What property prevents the ligands of cell-surface...Ch. 9 - The secretion of hormones by the pituitary gland...Ch. 9 - Why are ion channels necessary to transport ions...Ch. 9 - Endocrine signals are transmitted more slowly than...Ch. 9 - A scientist notices that when she adds a small,...Ch. 9 - Where do DAG and IP3 originate? They are formed by...
Ch. 9 - What property enables the residues of the amino...Ch. 9 - Histamine binds to the H1 G-protein-linked...Ch. 9 - A scientist observes a mutation in the...Ch. 9 - What is the function of a phosphatase? A...Ch. 9 - How does NF-kB induce gene expression? A small,...Ch. 9 - Apoptosis can occur in a cell when the cell is...Ch. 9 - What is the effect of an inhibitor binding an...Ch. 9 - How does PKC’s signaling role change in response...Ch. 9 - A scientist notices that a cancer cell line fails...Ch. 9 - Which type of molecule acts as a signaling...Ch. 9 - Quorum sensing is triggered to begin when...Ch. 9 - A doctor is researching new ways to treat biofilms...Ch. 9 - What is the difference between intracellular...Ch. 9 - How are the effects of paracrine signaling limited...Ch. 9 - What are the differences between internal...Ch. 9 - Cells grown in the laboratory are mixed with a dye...Ch. 9 - Insulin is a hormone that regulates blood sugar by...Ch. 9 - The same second messengers are used in many...Ch. 9 - What would happen if the intracellular domain of a...Ch. 9 - If a cell developed a mutation in its MAP2K1 gene...Ch. 9 - What is a possible result of a mutation in a...Ch. 9 - How does the extracellular matrix control the...Ch. 9 - A scientist notices that a cancer cell line shows...Ch. 9 - What characteristics make yeasts a good model for...Ch. 9 - Why is signaling in multicellular organisms more...Ch. 9 - Pseudomonas infections are very common in hospital...
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- Very briefly, explain how a ligand binding to the extracellular receptor region of a GPCR causes a change in biological events inside the cell.arrow_forwardWhat are the three types of cell signal receptors found in the plasma membrane?arrow_forwardAn extracellular signaling molecule binds to cell surface receptor. This cell surface receptor changes shape and activates a trimeric G-protein. What kind of receptor is this? a) Ion-channel coupled receptor b) Receptor Tyrosine Kinase c) G-Protein coupled receptor d) All of the other answers are correct e) Enzyme-coupled receptorarrow_forward
- Do many cells express more than one of the four types of receptors? Explain why?arrow_forwardExplain why a peptide (protein) ligand can’t use a receptor inside the cell while an asteroid has no problem using an intracellular receptor.arrow_forwardDifferent cell types express different types of receptors; even asingle cell may express multiple receptor types. Explain?arrow_forward
- What is the main benefit of cell signaling via direct physical contact and cell signaling over short distances (ex: nerve cell signaling)?arrow_forwardName and define (briefly) the four different types of receptors involved in Cellsignaling. Give an example of a ligand and specific type of receptor (where would you find the receptor?) for one of the receptors defined.arrow_forwardWhat common features are shared by most cell signaling systems?arrow_forward
- Integrins have many functions, one of which is sensing connections to the extracellular matrix. What is the role of FAK in integrin signaling?arrow_forwardA) Please explain what a G protein coupled receptor is. Please explain how G protein interacts with this receptor. B) Please explain the kind of reactions that follow binding a specific ligand to a G protein coupled receptor. What do these reactions do in the cell? C) How do these reactions work in the cell. What is the function of these reactions in the cell? How do the reactions proceed?arrow_forwardWhat is the main benefit of cell signaling over long distances (ex: signaling via hormone secretion into the bloodstream)?arrow_forward
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