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 7, Problem 5TYK
Summary Introduction
Introduction: Plasma membrane is a selectively permeable membrane with lipid bilayer and protein. The lipid bilayer structure is a barrier structure. Lipid molecule consists of the polar head region called hydrophilic head, and a non-polar fatty acid chain tail called hydrophobic tail. The hydrophilic region is attracted toward aqueous condition. and the hydrophobic end is repelled away from the aqueous condition.
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Chapter 7 Solutions
Study Guide for Campbell Biology
Ch. 7 - Label the components in the following diagram of a...Ch. 7 - a. Cite some experimental evidence that indicates...Ch. 7 - List the six major functions that membrane...Ch. 7 - What types of molecules have difficulty crossing...Ch. 7 - A solution of 1 M glucose is separated by a...Ch. 7 - a. What osmotic problems does the freshwater...Ch. 7 - Prob. 7IQCh. 7 - Prob. 8IQCh. 7 - a. How is cholesterol transported into human...Ch. 7 - Create a concept map to illustrate your...
Ch. 7 - The following diagram illustrates passive and...Ch. 7 - If a single layer of phospholipids coats the water...Ch. 7 - Glycoproteins and glycolipids are important for a....Ch. 7 - Prob. 3TYKCh. 7 - Prob. 4TYKCh. 7 - Prob. 5TYKCh. 7 - Use the following U-tube setup to answer questions...Ch. 7 - Use the following U-tube setup to answer questions...Ch. 7 - Use the following U-tube setup to answer questions...Ch. 7 - How much work is expended in diffusion? a. an...Ch. 7 - Prob. 10TYKCh. 7 - Prob. 11TYKCh. 7 - Water passes quickly through cell membranes...Ch. 7 - Facilitated diffusion of ions across a cellular...Ch. 7 - Prob. 14TYKCh. 7 - Which of the following describes cotransport? a....Ch. 7 - Prob. 16TYKCh. 7 - An animal cell moves potassium against its...Ch. 7 - Prob. 18TYKCh. 7 - Prob. 19TYKCh. 7 - In response to low blood pressure, the adrenal...
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- What ion is found in high concentration inside the cell relative to outside of the cell? A. Sodium B. Chloride C. Potassium D. None of the abovearrow_forwardProteins like albumin in the blood maintain water inside the blood vessels using A. Osmotic pressure B. Active diffusion C. Active transport D. Diffusionarrow_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_forward
- What can be correctly said of an isotonic intravenous solution? (An isotonic solution): Select one: a. Causes no net movement of water into or out of red blood cells b. Causes water to move out of red blood cells c. Has the same solutes in the same solution concentration as blood plasma d. Causes water to move into red blood cellsarrow_forwardActive transport is different from passive transport because a. no additional energy is required. b. molecules move from low concentration to high concentration. c. ions are involved. d. proteins are involved. e. water is moved across the membrane.arrow_forwardWhich 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_forward
- Active transport of a substance across a membrane requiresa. a gradient b. the expenditure of ATP c. water d. diffusionarrow_forwardThe movement of both oxygen and carbon dioxide in the body is accomplished by a. Diffusion b. Endocytosis c.exocytosis d. Osmosisarrow_forwardRed blood cells shrivel when placed in a 10% sucrose solution. When first placed in the solution, the solute concentration of the cell is______ the concentration of the sucrose solution. After the cells shrivel, their solute concentration is______ the concentration of the sucrose solution. A. Greater than... equal to B. Equal to... equal to C. Less than... greater than D. Less than... equal to E. Greater than... less thanarrow_forward
- Indicate whether the following statements are true or false. If a statement is false, explain why it is false. a. All types of cells contain cell walls, but only some cell types possess plasma membranes. b. The distribution of specific lipids to the inner and outer leaflet is asymmetrical, or biased, in plasma membranes. C. Lateral diffusion is the movement of lipids from one layer of the membrane to the other. d. Fatty acids tails are used to embed integral, transmembrane proteins in the plasma membrane.arrow_forwardWhich statement best describes how cholesterol affects cell membrane fluidity? * a.Cholesterol increases fluidity at high temperatures and decreases fluidity at low temperatures. b.Cholesterol decreases fluidity at high temperatures and increases fluidity at low temperatures. c.Cholesterol increases fluidity at high and low temperatures d. Cholesterol decreases fluidity at high and low temperatures.arrow_forwardDuring passive transport, substances will move across a selectively permeable membrane until… explain why A. There is no longer any energy to be used B. All solutes reach the other side of the membrane C. There is no more room inside of the cell D. Equilibrium is reachedarrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license