Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 9, Problem 26CTQ
Cells grown in the laboratory are mixed with a dye molecule that is unable to pass through the plasma membrane. If a ligand is added to the cells, observations show that the dye enters the cells. What type of receptor did the ligand bind to on the cell surface?
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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...
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- What is Plasma Membrane Receptors?arrow_forwardWhat type of cell signaling receptor is depicted below a. Cytoplasmic Receptor b. Transmembrane Receptor c. Intracellular Receptor d. Nuclear Receptorarrow_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_forward
- Proteins in the plasma membrane are often the target of medicines.Discuss why you think this is the case. How would you determineexperimentally that a specific membrane protein was the target of adrug?arrow_forwardWhich of the following does not apply to a transmembrane receptor? a. It lacks ER signal sequence. b. It contains one or more hydrophobic stop-transfer sequence. c. It is important for cells to receive and transmit extracellular signals. d. It is an example of integral membrane protein.arrow_forwardWhat limits the activity of intracellular mediators, such ascGMP, and phosphorylated proteins?arrow_forward
- Why are ion channels necessary to transport ions into or out of a cell?arrow_forwardwhen a chemical messenger (or ligand) reaches a target cell, it binds to a receptor. A hydrophobic ligand binds to a(n) _______, whereas a hydrophilic ligand binds to a(n)_________. a. agonist receptor; antagonic receptor b. transmembrane receptor; intracellular receptor c. antagonist receptor; agonist receptor d. intracellular receptor; transmembrane receptorarrow_forwardVery briefly, explain how a ligand binding to the extracellular receptor region of a GPCR causes a change in biological events inside the cell.arrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license