Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 9, Problem 28CTQ
The same second messengers are used in many different cells, but the response to second messengers is different in each cell. How is this possible?
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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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is PNS in the nervous system and how does it contribute to coordination in neural signaling?arrow_forwardWhich of the following is the most accurate process? Activation of G protein → change in activity of effector enzyme activation of protein kinase → change in second messenger levels. Change in second messenger levels → change in activity of effector enzyme → activation of protein kinase activation of G protein. Activation of G protein → change in activity of effector enzyme → change in second messenger levels → activation of protein kinase. Activation of G protein → change in second messenger levels activity of effector enzyme → activation of protein kinase. change inarrow_forwardIf DAG and IP3 are second messengers, what function does Ca2+ serve? Would Ca2+ also be called a second messenger?arrow_forward
- Name three features common to the activation of cytokine receptors and receptor tyrosine kinases. Name one difference with respect to the enzyme activity of these receptors.arrow_forwardWhat is the nature of the receptors that bind intercellular chemical messengers?arrow_forwardWhat are the advantages of having an enzyme (like adenylyl cyclase) involved in the initial response to receptor activation by a first messenger?arrow_forward
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- taw a graph representing the changes in membrane potential across the axonal membrane before, during, and after an action potential, On your graph, use a highlighter to clearly indicate for which portions of your graph the letter corresponding to each cellular event listed below belongs. List of cellular events: A) All K* channels open B) All Nat channels close C) The Na*/K* ATPase cotransporter transports Nat and K* across the membrane. D) All Na* channels open E) The threshold value of membrane potential is attained. F) All K* channels close G) Some Nat channels open Your graph: o pe cffectonarrow_forwardWhat do steroid hormone signaling and receptor tyrosine kinase (RTK) signaling have in common? Their pathways involve G-proteins that are activated by GDP-GTP exchange. They both result in gene transcription. They both use the second messenger cAMP. The receptors are both enzymes.arrow_forwardWe saw that GPCRs have a basal level of constitutive activity. Not all receptors do. Why might having this constitutive activity be a benefit to the cells?arrow_forward
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