Study Guide for Campbell Biology
Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 44, Problem 6TYK
Summary Introduction

Introduction: The process of osmoregulation and excretion is highly regulated in all organism to maintain the homeostasis in the body. Maintenance of the fluid composition and the osmoregulation is required for the proper metabolic function of the body. It is also needed to maintain the body heat, perfusion of organ and the removal of toxic substance from the body. Every organism has different structures that help to maintain the osmotic pressure.

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10) Osmoregulation refers to the ability of an organism to maintain homeostasis with respect to the solute concentration of their bodies. Euryhaline fish are able to live in both fresh water and salt water at different points of their life. In order to osmoregulate in both environments, one physiological change that occurs in these fish is the direction in which they actively transport ions across their gills. a) In what direction are ions actively transported across the gills of euryhaline fish when they are in freshwater versus salt water? In freshwater: (into body or out of body) In salt water: (into body or out of body) b) Briefly explain why active transport is required in these cases. 121 11) The table below compares and contrasts carrier protein pumps with clathrin-dependent receptor-mediated endocytosis. Fill in the empty spaces of the table with the appropriate ans Clathrin- Carrier protein dependent receptor mediated endocytosis pump Involvement of multiple types of proteins?…
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