Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 32.5, Problem 1TYK
Summary Introduction
Introduction:
Osmosis is a process in which water or molecules of a solvent pass from a higher concentrated solution to a less concentrated solution through a semi-permeable membrane or a plasma membrane. It is a passive transport which means this process does not require energy to take place.
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Chapter 32 Solutions
Principles of Biology
Ch. 32.1 - Do animal organs necessarily contain...Ch. 32.1 - Prob. 1BCCh. 32.1 - Prob. 1TYKCh. 32.1 - Prob. 2TYKCh. 32.2 - Is having a large surface area important only...Ch. 32.2 - Refer to Figure 32.7a. What would happen if the...Ch. 32.3 - Prob. 1CCCh. 32.3 - Prob. 1BCCh. 32.3 - Prob. 1TYKCh. 32.3 - Prob. 2TYK
Ch. 32.4 - Into which thermoregulatory categories do human...Ch. 32.4 - Prob. 2CCCh. 32.4 - Prob. 3CCCh. 32.4 - Prob. 1TYKCh. 32.4 - Prob. 2TYKCh. 32.5 - Prob. 1CCCh. 32.5 - Prob. 2CCCh. 32.5 - Prob. 1TYKCh. 32.5 - Prob. 2TYKCh. 32 - Prob. 1TYCh. 32 - Prob. 2TYCh. 32 - Prob. 3TYCh. 32 - Prob. 4TYCh. 32 - Prob. 5TYCh. 32 - Prob. 6TYCh. 32 - Prob. 7TYCh. 32 - Prob. 8TYCh. 32 - Prob. 9TYCh. 32 - Prob. 10TYCh. 32 - Prob. 1CCQCh. 32 - Prob. 2CCQCh. 32 - Prob. 3CCQCh. 32 - Prob. 1CBQCh. 32 - Prob. 2CBQ
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- Cell membranes consist mainly of a _________. a. carbohydrate bilayer and proteins b. protein bilayer and phospholipids c. phospholipid bilayer and proteinsarrow_forwardActive transport must function continuously because_______. a. plasma membranes wear out b. cells must be in constant motion c. facilitated transport opposes active transport d. diffusion is constantly moving the solutes in the other directionarrow_forwardEnzymes contained in __________ break down worn-out organelles, bacteria, and other particles. a. lysosomes b. mitochondria c. endoplasmic reticulum d. peroxisomesarrow_forward
- Figure 5.12 A doctor injects a patient with what the doctor thinks is an isotonic saline solution. The patient dies, and an autopsy reveals that many red blood cells have been destroyed. Do you think the solution the doctor injected was really isotonic?arrow_forwardOsmosis is _________________ movement of water down its concentration gradient using a protein channel movement of materials against their concentration gradient movement of one substance against, and one substance down their concentration gradients movement of molecules from high concentration to low concentration using no protein channels movement of materials down their concentration gradient using a protein channelarrow_forwardThe movement of water and electrolytes between fluid compartments is regulated primarily by _______ A. Group of answer choices B. active and passive transport. C. diet and weather. D. diffusion and osmosis. E. hydrostatic pressure and osmotic pressure. F. pinocytosis and phagocytosis.arrow_forward
- The movement of molecules that expends energy to move potassium ions into the cell and a different number of sodium ions out of the cell Simple Diffusion Facilitated Diffusion Osmosis Sodium-Potassium Pumparrow_forwardIf the fluid within a cell contains a lower concentration of dissolved solutes compared to the external fluid surrounding the cell, we say that the cellular fluid is ________ relative to the external fluid, and water will ________ the cell. hypertonic / flow into hypertonic / flow out of hypotonic / flow into hypotonic / flow out of isotonic / have the same flow rate into and out ofarrow_forwardOsmosis is water movement across a semipermeable membrane. Which of the following is true about water movement across cell membranes? A. In a hypotonic solution, cells will swell. B. In an isotonic solution, cells will shrink. C. In a hypertonic solution, cells will stay the same. D. Cells can neither shrink nor swell because water cannot penetrate the plasma membrane.arrow_forward
- Which of the following molecular movements is due to diffusion or osmosis? The sodium-potassium pump, pumps three sodium ions out of a neutron for every two potassium ions it pumps in. When a plant is placed in concentrated salt water, water moves into the cell. Cells of the pancreas secrete insulin into the bloodstream.arrow_forwardPlasma membranes are selectively permeable. This means: A. cholesterol cannot enter B. anything can pass in and out C.the membrane regulates the passage of the material in and out of the cell D. glucose cannot enter the cellarrow_forwardThe distribution of water is determined by solute concentrations. A hypertonic solution would cause a body cell to shrink in sizearrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license