Homework Answers
Answer:
Option c. - Steroid hormone receptor pathway.
When a hormone binds to its membrane receptor, A G-protein associated with that receptor is activated. G proteins are separate molecules from receptor molecule.
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Which of the following signaling pathways usually use G protein to transduce the signal? Select one:...
A. B. C. D. E. F. Thank you receptors induce activation of adenlyate cyclase, which creates...
A. B. C. D. E. F. Thank you
receptors induce activation of adenlyate cyclase, which creates the second messenger(s) O G-Protein Coupled, CAMP O Tyrosine Kinase, CAMP OTyrosine Kinase, IP3 and DAG G-Protein Coupled, IP3 and DAG Which of the following is most likely to be activated by a small hydrophobic signal? OIntracellular receptor Receptor Tyrosine Kinase O G-Protein Coupled Receptor Ligand-Gated lon Channel Which of the following types of receptors require dimerization for activation? (Select any/all that apply) OLigand-gated...
Match the hormone to the mechanism of signaling. neurotransmitter Acetylcholine [ Choose ] ...
Match the hormone to the mechanism of signaling. neurotransmitter Acetylcholine [ Choose ] binds to a receptor tyrosine kinase, causing dimerization and activation binds to a histone acetylase to activate transcription binds a nuclear receptor which is a DNA binding protein opens a ligand-gated ion channel in skeletal muscle steroid like progesterone [ Choose ] binds to a receptor...
Matching protein kinase :pinocytosis Na-K pump : Paracrine A. long-distance long term signaling B. cholestero C....
Matching protein kinase :pinocytosis Na-K pump : Paracrine A. long-distance long term signaling B. cholestero C. facilitated diffusion D. Steroid hormone E. uses ATP and works against concentration F active transport example G local short term signaling H. liquid droplet internalization L phosphorylation J. associated with one monolayer Endocrine .channel and carrier protein regulates membrane fluidity : active transport intracellular receptor :peripheral protein
There are many pharmacodynamic signaling mechanisms for medications. Which signaling mechanism best describes the action of...
There are many pharmacodynamic signaling mechanisms for medications. Which signaling mechanism best describes the action of a drug which involves a coupling protein that in turn activates a separate effector molecule in the cell? Select one: a. G-protein receptors b. tyrosine kinase receptors c. JAK-STAT receptors d. steroid intracellular receptors e. transmembrane ion channels
One of the most difficult aspects of signaling through pathways that involve proteolysis is keeping track...
One of the most difficult aspects of signaling through pathways that involve proteolysis is keeping track of the names of the components and their functions. Sort the following list of proteins into the Notch, Wnt/B-cetenin, and Hedgehog signaling pathways, list them in he order they function, and select one or more appropriate descriptors that identify their role. Protein A. B-catenin B. Cubitus interruptus )Ci) C. Delta D. Dishevelled E. Frizzled F. Glycogen sythase kinase 3 (GSK3) G. Hedgehog H. iHog...
Activity 4. Receptor signaling pathway A model of a G protein receptor signaling pathway is represented...
Activity 4. Receptor signaling pathway A model of a G protein receptor signaling pathway is represented below. Activation of the signaling pathway results in a cell secreting a neurotransmitter through exocytosis. Activated - Activated adenylyl receptor cyclase GTP АТР CAMP Active G protein Protein- kinase A Inactive Active Protein targets Phosphate group A. Different steps in a signaling pathway can amplify the initial signal of one ligand binding to one receptor. Choose one step in the pathway below that results...
Research and describe a cell receptor involved in cell signaling that utilizes one of the following...
Research and describe a cell receptor involved in cell signaling that utilizes one of the following mechanisms. 1. RTK pathway (Receptor Tyrosine Kinase Cascade) 2. GPCR (G Protein Coupled Receptor) 3. Ion Channel Receptors 4. Ligand Gated Your summary of the protein receptor must include the following: 1. Name of the receptor and its ligand. 2. A brief description of the pathway (what is activated and how). 3. Name of the pathway it is responsible for activating and what the...
How is signaling from receptor tyrosine kinases terminated? GTP hydrolysis ATP hydrolysis receptor endocytosis Arrestins Pathway...
How is signaling from receptor tyrosine kinases terminated? GTP hydrolysis ATP hydrolysis receptor endocytosis Arrestins Pathway crosstalk occurs when: signaling pathways use a common intermediate o signaling pathways split to produce multiple outcomes one signaling pathway triggers another signaling pathways produce the same outcome Eicosanoid hormones such as prostaglandins and leukotrienes are responsible for localized immune reactions such as to insect bites and hayfever symptoms. Which of the following best describes this level of cell signaling? Autocrine Endocrine o Holoerine...
Place each of the following events into the correct stage of cell signaling -A G protein...
Place each of the following events into the correct stage of cell signaling -A G protein catalyzes the hydrolysis of GTP to GDP and Pi -Receptor kinase dimerizes after binding insulin -Inactivation of a receptor kinase by a protein phosphatase -Changes in gene expression -Adrenaline binds the extracellular domain of a G protein-coupled receptor -Activation of protein kinase A (PKA)
Molecules b) water molecules c) sodium ions d) ATP molecules oten, potdssium lohs are bonded to: ...
chapter 13 signal transduction
molecules b) water molecules c) sodium ions d) ATP molecules oten, potdssium lohs are bonded to: a) glucose e to move potassium ions through a potassium ion channel is provided by: a electrostatic attraction between potassium ions and water molecules b) electrostatic attraction between potassium ions and carbonyl oxygens in the channel protein c) electrostatic repulsion between potassium ions d) ATP hydrolysis Chapter 13 Signal Transduction In this chapter we studied in detail 5 examples of...
A. B. C. D. E. F. Thank you
receptors induce activation of adenlyate cyclase, which creates the second messenger(s) O G-Protein Coupled, CAMP O Tyrosine Kinase, CAMP OTyrosine Kinase, IP3 and DAG G-Protein Coupled, IP3 and DAG Which of the following is most likely to be activated by a small hydrophobic signal? OIntracellular receptor Receptor Tyrosine Kinase O G-Protein Coupled Receptor Ligand-Gated lon Channel Which of the following types of receptors require dimerization for activation? (Select any/all that apply) OLigand-gated...
Matching protein kinase :pinocytosis Na-K pump : Paracrine A. long-distance long term signaling B. cholestero C. facilitated diffusion D. Steroid hormone E. uses ATP and works against concentration F active transport example G local short term signaling H. liquid droplet internalization L phosphorylation J. associated with one monolayer Endocrine .channel and carrier protein regulates membrane fluidity : active transport intracellular receptor :peripheral protein
There are many pharmacodynamic signaling mechanisms for medications. Which signaling mechanism best describes the action of a drug which involves a coupling protein that in turn activates a separate effector molecule in the cell? Select one: a. G-protein receptors b. tyrosine kinase receptors c. JAK-STAT receptors d. steroid intracellular receptors e. transmembrane ion channels
Activity 4. Receptor signaling pathway A model of a G protein receptor signaling pathway is represented below. Activation of the signaling pathway results in a cell secreting a neurotransmitter through exocytosis. Activated - Activated adenylyl receptor cyclase GTP АТР CAMP Active G protein Protein- kinase A Inactive Active Protein targets Phosphate group A. Different steps in a signaling pathway can amplify the initial signal of one ligand binding to one receptor. Choose one step in the pathway below that results...
How is signaling from receptor tyrosine kinases terminated? GTP hydrolysis ATP hydrolysis receptor endocytosis Arrestins Pathway crosstalk occurs when: signaling pathways use a common intermediate o signaling pathways split to produce multiple outcomes one signaling pathway triggers another signaling pathways produce the same outcome Eicosanoid hormones such as prostaglandins and leukotrienes are responsible for localized immune reactions such as to insect bites and hayfever symptoms. Which of the following best describes this level of cell signaling? Autocrine Endocrine o Holoerine...
chapter 13 signal transduction
molecules b) water molecules c) sodium ions d) ATP molecules oten, potdssium lohs are bonded to: a) glucose e to move potassium ions through a potassium ion channel is provided by: a electrostatic attraction between potassium ions and water molecules b) electrostatic attraction between potassium ions and carbonyl oxygens in the channel protein c) electrostatic repulsion between potassium ions d) ATP hydrolysis Chapter 13 Signal Transduction In this chapter we studied in detail 5 examples of...
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