Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Question
Chapter 5.5, Problem 2LO
Summary Introduction
To describe: The function of the Na+/K+ pump.
Introduction: The movement of materials across the biological membrane may occur either passively or actively. Simple diffusion, osmosis, and facilitated diffusion are the three major types of passive transport. The major types of active transport are primary active transport and secondary active transport.
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Chapter 5 Solutions
Biology
Ch. 5.1 - Prob. 1LOCh. 5.1 - Explain the fluid mosaic model of membrane...Ch. 5.2 - List the different components of phospholipids.Ch. 5.2 - Prob. 2LOCh. 5.2 - Prob. 3LOCh. 5.3 - Illustrate the functions of membrane proteins.Ch. 5.3 - Prob. 2LOCh. 5.3 - Prob. 3LOCh. 5.4 - Compare simple diffusion and facilitated...Ch. 5.4 - Prob. 2LO
Ch. 5.4 - Prob. 3LOCh. 5.5 - Prob. 1LOCh. 5.5 - Prob. 2LOCh. 5.5 - Prob. 3LOCh. 5.6 - Distinguish between endocytosis and exocytosis.Ch. 5.6 - Illustrate how endocytosis can be specific.Ch. 5 - According to the fluid mosaic model, membranes are...Ch. 5 - Prob. 2IQCh. 5 - The fluid mosaic model of the membrane describes...Ch. 5 - What chemical property characterizes the interior...Ch. 5 - The transmembrane domain of an integral membrane...Ch. 5 - The specific function of a membrane within a cell...Ch. 5 - The movement of water across a membrane is...Ch. 5 - Prob. 6UCh. 5 - Which of the following is NOT a mechanism for...Ch. 5 - A bacterial cell that can alter the composition of...Ch. 5 - What variable(s) influence(s) whether a nonpolar...Ch. 5 - Which of the following does NOT contribute to the...Ch. 5 - How are active transport and coupled transport...Ch. 5 - A cell can use the process of facilitated...Ch. 5 - figure 5.5 describes a classic experiment...Ch. 5 - Each compartment of the endomembrane system of a...Ch. 5 - The distribution of lipids in the ER membrane is...
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- Using the Goldman-Hodgkin-Katz equation, determine what happens to the resting membrane potential if the ECF K+ concentration doubles to 10 mM.arrow_forwardExplain how the capacity (function) of the sodium potassium pumps found in the ascending loop of Henle enable the establishment of the medullary concentration gradient.arrow_forwardDefine about sodium-potassium pump ? Why it is used ?arrow_forward
- sodium potassium pumps are the driving force behind whatarrow_forwardDiagram/flow chart the reactions and interactions of the renin-angiotensin-aldosterone pathway. What conditiion is the primary stimulus for its activation? What would hapen to renin secretion in a patient with chronic kidney failure?arrow_forwardDefine renin-angiotensin-aldosterone mechanismarrow_forward
- a. A person ingests an ion-channel inhibitor, such that the ion channels present in the Loop of Henle are only able to pump at half their normal rate? b. What would this person notice about changes to their physiological filtration? (Answer a and b)arrow_forwardexplain how does sodium potassium pump works?arrow_forwardGive the steps in the renin angiotensin pathway from start to finish.arrow_forward
- Explain how the sodium-potassium pump works to move ions.arrow_forwardDefine the role of sodium ion in maintaining extracellular fluid volume.arrow_forwardthere is a known cause of high blood pressure that occurs because of a reduced fluid flow that triggers RAAS and Na+ reaborption with increased blood volume and pressure. what is it?arrow_forward
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