Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Question
Chapter 7.2, Problem 3R
Summary Introduction
To review:
The differences between the receptors present in the cytoplasm and those present at the cell membrane.
Introduction:
The receptors help in the recognition of specific ligand, and thus initiate the cellular response. The location of the receptors on in the plasma membrane or inside the target cell depends on the nature of ligand or the signal.
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What do the three main types of cell-surface receptors have in common? How do they differ?
What type of molecules serve as ligands for intracellular vs. membrane receptors?
What is the function of most intracellular receptors?
Chapter 7 Solutions
Life: The Science of Biology
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Similar questions
- 12. Which statement regarding cell-surface receptors is correct? A) lon-channel-coupled receptors alter the membrane potential directly by changing the permeability of the plasma membrane. B) G-protein-coupled receptors are polypeptides with seven transmembrane domains. C) After binding their ligand, G-protein-coupled receptors interact with intracellular GTP-binding proteins, later initiating signal transduction events. D) All of the above E) None of the above Answer: Explanation:arrow_forwardDraw a diagram of a membrane receptor and include the following details. Include a depiction of the plasma membrane with which it is associated; label the locations of the extracellular space, the cytoplasm, and the ligand-binding domain.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
- How can cells that have the same receptor present a different response?arrow_forwardWhat is the largest family of cell surface receptors (>1% of the human genome)?arrow_forwardIn intercellular signaling pathways, some receptor proteins can also act as a transcription factor (changing gene expression), because these receptors are ________. A) Group of answer choices B) Intracellular receptors C) Membrane bound receptors D) G protein coupled receptors E) Enzyme linked receptors F) Fast ligand-gated ion channelsarrow_forward
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