Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 41, Problem 9TY
Summary Introduction
Introduction: Water is the main component in the bodies of animals. Many solutes ions like Na+ and K+ are dissolved in the water of an animal’s body. Water and ions maintain the homeostasis of the organism.
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Chapter 41 Solutions
Biology
Ch. 41.1 - Core Skill: Modeling The goal of this modeling...Ch. 41.1 - Prob. 2CSCh. 41.2 - Prob. 1CCCh. 41.3 - Core Skill: Connections Can negative feedback...Ch. 41.3 - What similar feedforward process might occur in an...Ch. 41.4 - Prob. 1CCCh. 41.4 - Prob. 2CCCh. 41.4 - Prob. 3CCCh. 41.4 - Prob. 4CCCh. 41.4 - What symptoms are sometimes seen in athletes after...
Ch. 41.4 - Prob. 2EQCh. 41.4 - Prob. 3EQCh. 41 - Prob. 1TYCh. 41 - Structures composed of two or more tissue types...Ch. 41 - Prob. 3TYCh. 41 - From an examination of the structure of many...Ch. 41 - Prob. 5TYCh. 41 - The folds, convolutions, or extensions found in...Ch. 41 - Prob. 7TYCh. 41 - Prob. 8TYCh. 41 - Prob. 9TYCh. 41 - Prob. 10TYCh. 41 - Prob. 1CQCh. 41 - Define homeostasis, and give examples of...Ch. 41 - Prob. 3CQCh. 41 - Prob. 1COQCh. 41 - Discuss the organization of animal bodies from the...
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- The energy source for movements of Na* and K* during an action potential is a. the Na*/K* ATPase b. the thermal energy in the cell membrane c. the concentration gradients for the ions d. determined by the lipids of the cell membrane e. the negative charge of the extracellular fluid relative to the cytosolarrow_forwardThe negatively charged intracellular environment and resulting resting membranepotential of neurons and muscle cells fundamentally develops because of:A. the presence of a high extracellular potassium concentration.B. the presence of negatively charged intracellular proteins.C. the high electron concentration found in the extracellular fluidsD. the presence of voltage-gated-sodium channellsarrow_forwardABC transporters are: a. An example of active transport with activity in multi-drug resistance. b. An example of passive-mediated transport with activity in multi-drug resistance. c. An example of an ion channel that binds ATP for effective transport. d. An example of a pump involved in Ca2+ transport. e. An example of an antiporter.arrow_forward
- Virtually all animal cells have a Na*/K* pump. Which of the following statements concerning it is NOT correct? a. O b. C. O d. It is an uniport. It is an active transporter. It transports Na* and K* by consuming ATP as energy. It is also called Na+/K* ATPase.arrow_forwardThe resting membrane potential of a cell is the consequence of which of the following concentrations of ions? A. High K* and Cl- outside the cell and high Na* and large anions inside the cell. B. High K* and Na* outside the cell and high Cl- and large anions inside the cell. C. High Cl- and Nat outside the cell and high K* and large cations inside the cell. D. High Ca2+ and Nat outside the cell and high K* and large cations inside the cell.arrow_forwardWhich 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_forward
- Match the following cellular features and activities with the properties of cells. Cell structure is highly complex and organized structurally. Cell posseses genetic information. Cells engage in metabolism. Cells sense and respond to changes in the environment. A. Mistakes in the genetic material are called mutation. B. Protein receptors on cell membranes receive specific ligands that "communicate" the presence of a simulus or stimuli. C. Cells contain "blueprints" for constructing cellular structures, for rrunning cellular activities and for making more of themselves. D. All living systems are capable of doing "work" in whatever form. E. Cell…arrow_forwardThe presence of cholesterol regulates the in animal cells. Ca. fluidity of a membrane b. polarity of a membrane c. structure of a membranearrow_forwardWhich of the following is TRUE of sharks and other osmoconformers? A. The solute concentration inside the organism is maintained at a higher level by active import of solutes. B. The total solute concentration is the same inside and outside of the organism C. The solute concentration inside the organism is maintained at a lower level by active export of solutes. D. The NaCl concentration is the same inside and outside of the organismarrow_forward
- Which of the following statements concerning ionophoresare true?a. Ionophores form channels through which ions flow.b. They require energy.c. Ions may diffuse in either direction.d. Ionophores may cause voltage gates.e. They transport all ions with equal ease.arrow_forwardI. 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. A. If the two statements are both correct B. If the first statement is correct while the second one is not C. If the second statement is correct while the first one is not D. If the two statements are both incorrect I. The functional units of the kidney where urine is formed. II. Kidneys serve as specialized organs for osmoregulation and excretion A. If the two statements are both correct B. If the first statement is correct while the second one is not C. If the second statement is correct while the first one is not D. If the two statements are both incorrectarrow_forwardWhich 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.arrow_forward
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