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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Textbook Question
Chapter 44, Problem 2TYK
Transport epithelia are responsible for
- a. pumping water across a membrane.
- b. forming an impermeable boundary at an interface with the environment.
- c. the movement of solutes in osmoregulation or excretion.
- d. the passive transport of H+ and HCO3− for the regulation of pH.
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I. Metabolism is the elimination of metabolic wastes including nitrogenous wastes produced from the breakdown of proteins. II. Diffusion is the movement of water from a region of higher osmolarity to a region of lower osmolarity across a selectively permeable membrane.
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I. The functional units of the kidney where urine is formed. II. Kidneys serve as specialized organs for osmoregulation and excretion
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Which of the following statements about "leak channels" in the plasma mem-
brane is correct?
A. Proteins that form these channels bind to solutes to allow them to pass into
the cell.
B. They are passageways formed by proteins to allow water and ions to move
passively through the membrane.
C. They allow small ions and molecules to move between adjacent cells.
D. They are formed by glycoprotein and proteoglycans to allow hormones to
enter cells.
The movement of water and electrolytes between fluid compartments is regulated primarily by _______
A. Group of answer choices
B. active and passive transport.
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D. diffusion and osmosis.
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F. pinocytosis and phagocytosis.
Chapter 44 Solutions
Study Guide for Campbell Biology
Ch. 44 - Indicate whether the following animals are...Ch. 44 - Prob. 2IQCh. 44 - Which of the three excretory processes is least...Ch. 44 - a. What substances are removed from the blood...Ch. 44 - In the following diagram of a nephron and...Ch. 44 - a. What type of nephron enables the production of...Ch. 44 - Prob. 7IQCh. 44 - Provide the following information concerning the...Ch. 44 - Prob. 2SYKCh. 44 - Prob. 1TYK
Ch. 44 - Transport epithelia are responsible for a. pumping...Ch. 44 - Prob. 3TYKCh. 44 - Prob. 4TYKCh. 44 - Prob. 5TYKCh. 44 - Prob. 6TYKCh. 44 - Prob. 7TYKCh. 44 - Prob. 8TYKCh. 44 - Prob. 9TYKCh. 44 - The process of secretion in the formation of urine...Ch. 44 - Prob. 11TYKCh. 44 - Prob. 12TYKCh. 44 - Prob. 13TYKCh. 44 - Prob. 14TYKCh. 44 - Prob. 15TYKCh. 44 - Prob. 16TYKCh. 44 - Prob. 17TYKCh. 44 - Prob. 18TYK
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is incorrect about membrane transport systems? a. Glucose transport in red blood cells is a uniport system b. The Na+/K+ ATPase is an antiport system c. The H+/K+ ATPase is an active transport system d. The chloride-bicarbonate exchanger in erythrocytes is a uniport systemarrow_forwardIncreasing the concentration of solutes increases osmotic potential, hence water potential decreases. A. Agree, because presence of solutes increses osmotic pressure and thus osmotic potential. C. Agree, because they just represent the same values. D. Disagree, because it is the decrease in water pressure that decreases osmotic potential. B. Disagree, because presence of solutes increases osmotic pressure which decreases osmotic potential.arrow_forwardA solution of water and dissolved ions is separated by a selectively permeable membrane that allows the passage of water but not small ions. The concentration of sodium is higher on one side of the membrane than onthe other side. However, there is no net movement of water across the membrane. How is this possible?arrow_forward
- Which of the following will saturate as solute concentration increases? a. Transport of sucrose down its concentration gradient by the carrier protein GLUT2 b. Transport of chloride ions out of the endoplasmic reticulum and into the cytoplasm via a channel protein c. Engulfing of a pathogen by a white blood cell during an immune response d. All of the abovearrow_forwardThe greater the magnitude of the concentration gradient: a. the more rapid the rate of diffusion. b. the more likely mediated transport is required. c. the easier it is to reverse the flux. d. the higher number of ATPs required to diffuse. e. all of the above is true.arrow_forwardthe constant balancing act to remain an appropriate amount of solutes and water inside each cell a. endocytosis b. exocytosis c. metabolism d. osmoregulation e. facilitated diffusionarrow_forward
- Solutes tend to diffuse from a region where they ar_____ concentrated to an adjacent region where they are_______ concentrated. a. more, less c. movement is independent b. less, more of concentrationarrow_forwardThe Na/K pump in epithelium cells that line the gut is an example of ______ transport and helps __ Select one: a. active, prevent the movement of Cl- outside the cell b. active, prevent the movement of Cl- inside the cell c. active, prevent the movement of Na+ outside the cell d. passive, prevent the movement of Cl- outside the cell e. passive, prevent the movement of Cl- inside the cellarrow_forwardRegarding the extracellular fluid, which of the following statement is NOT TRUE? a.Concentration of sodium ions is higher. b.Concentration of potassium ions is higher. c.Extracellular fluid refers to the contents outside the cell. d.Extracellular fluid contributes towards the interstitial fluid. Clear my choicearrow_forward
- A 500mL beaker is equally divided by a membrane permeable only to NaCl. Side A contains 250mL of a 1x10-6M of NaCl. Side B contains 250mL 1x10-12M of NaCl. In which direction will the NaCl diffuse? Select one: a. Diffuse Side A to Side B. b. Diffuse Side B to Side A. c. No diffusion will occur; it is already at equilibrium.arrow_forwardChoose pne of these choices: A. Water molecules will still be able to move across the cell membrand but at a slkwer rate. B. Water moleces will no longer be able to move across the cell membrane. C. Water molecules will move across the cell membrand at a faster rate without the aquaporin regulating their flow. D. Water molecules will only be able to enter the cell by active transport.arrow_forwardWhich of the following statements is correct? A. A transmembrane integral protein is required for a lipophilic solute to move through the plasma membrane. B. The net movement of water through a cell membrane is dependent on both the osmotic gradient and the presence of transmembrane channel proteins? C. The membrane permeability for an ion is determined in part by the number of open unipart carriers for that ion in the membrane? D. Both A and B are correct & C is incorrect E. A, B, & C are all correct Please explain! Thank you so mucharrow_forward
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