Principles of Anatomy and Physiology 14e with Atlas of the Skeleton Set (14th Edition)

Published by Wiley
ISBN 10: 1-11877-456-6
ISBN 13: 978-1-11877-456-4

Chapter 3 - The Cellular Level of Organization - Figure 3.8 - Page 67: 1

Answer

Water from the left arm is able to move through the selectively permeable membrane to equal the concentration of solutions on both sides of the membrane. Because of hydrostatic pressure, from the right arm equilibrium will eventually be reached. At equilibrium, the same number of molecules of water are moving from left to right as are moving from right to left. Because of the solute, molecules cannot cross the membrane barrier and the solution concentrations can never be equalized in these tubes. Theoretically, the water will rise in the right arm of the tube until the combined right osmotic and hydrostatic pressure prevents the osmotic movement of water to the right down a concentration gradient.

Work Step by Step

No. The fluid will rise up the right arm until the combined osmotic and hydrostatic pressure from the right side overcomes the movement of water down the left to right solute concentration gradient.
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