human physiology study questions 6

human physiology study questions 6 - 2/4/08 Lecture 6:...

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2/4/08 Lecture 6: Ligand Binding (Chpt. 3, pg. 66-71, Chpt. 5) Study Questions 1. A receptor protein will bind… A. with a specific ligand by a covalent bond making it generally irreversible. B. a low affinity ligand at a high concentration before a high affinity ligand at a low concentration. (This answer does not indicate how much of each will bind) C. a phosphatase enzyme which adds a phosphate group to the protein and modulates its shape in order to receive a ligand. D. a low concentration ligand with a high affinity before a high concentration ligand with a low affinity. (This answer does not indicate how much of each will bind) 2. Match each term dealing with receptors with its correct definition. A. Agonist B. Antagonist C. Affinity D. Saturation 1. Competes for the receptor, binds with receptor but does not elicit the cell’s response. 2. Degree to which cell receptors are occupied by messengers. 3.
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This note was uploaded on 07/01/2008 for the course INTEGRATIV 130 taught by Professor Kregel during the Spring '08 term at University of Iowa.

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human physiology study questions 6 - 2/4/08 Lecture 6:...

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