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 7, Problem 9TYK
How much work is expended in diffusion?
- a. an amount proportionate to the charge on the solute
- b. an amount proportionate to the concentration of the solvent
- c. an amount proportionate to the concentration of the solute
- d. No work is expended in diffusion.
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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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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
- If ENa is + 60 mV, [Na] out/in is [150]/[15], and Vm is +30 mV, which answer CORRECTLY describes Na+ diffusional, electrostatic, and overall net fluxes? a. Diffusion IN, electrostatics OUT, net flux OUT b. Diffusion IN electrostatics IN, net flux IN c. Diffusion OUT, electrostatics OUT, net flux OUTarrow_forwardHow does the size of a solute affect the rate of diffusion? Consider the size and shape of a molecule. The shape is the most important part of the question.arrow_forwardWhich observation would suggest that active transport, rather than passive diffusion, is responsible for moving a particular substance from the outside of a cell into a cell? a. a higher concentration of the substance outside the cell than inside the cell. b. a higher concentration of the substance inside the cell than outside the cell. c. a positive correlation between ATP breakdown and the amount of substance taken in. d. b and c are both correct.arrow_forward
- In considering the diffusion of ions through an ion channel, which driving force/forces must be considered?a. the ion concentration gradientb. the electrical gradientc. osmosisd. facilitated diffusione. both a and barrow_forwardExplain the process and give an example of each form of cellular transport. a. Passive Diffusion b. Active Transport c. Facilitated Diffusionarrow_forwardHow does the size of a solute affect the rate of diffusion? Consider the size and shape of a molecule in your response. Then, does polarity affect the rate of diffusion? Explain your answer using scientific principles.arrow_forward
- The image illustrates passive and active transport across the cell membrane. (Use the diagram to answer questions A-C) A. 1. Which section shows active transport?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not? B. 1. Which section shows diffusion?2. What type of solute molecules may be moved by this type of transport? C. Which of these sections are considered passive transport? Explain.arrow_forwardThe image illustrates passive and active transport across the cell membrane. (Use the diagram to answer questions A-D) A. 1. Which section represents facilitated diffusion?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not?5. What type of solute molecules may be moved by this type of transport? B. 1. Which section shows active transport?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not? C. 1. Which section shows diffusion?2. What type of solute molecules may be moved by this type of transport? D. Which of these sections are considered passive transport? Explain.arrow_forwardDoes polarity affect the rate of diffusion? Explain your answer using scientific principles.arrow_forward
- Why does the plasma membrane of a cell present a barrier to the movement of electrolytes through it? A. There are no channels in the membrane for the passage of electrolytes. B. Electrolytes are not soluble in the lipid of the membrane. C. Electrolytes are too large to pass through membrane channels. D. Membrane proteins electrically repel charged particles.arrow_forwardIn the diffusion and osmosis online experiment, which molecules would squeeze between the agar molecules and diffuse faster? A. larger methylene blue molecules B. neither molecules would be able to diffuse C. smaller purple potassium permanganate molecules D. both molecules would diffuse at the same ratearrow_forwardWhat variable(s) influence(s) whether a nonpolar molecule can move across a membrane by passive diffusion? a. The structure of the phospholipids bilayer b. The difference in concentration of the molecule across the membrane c. The presence of transport proteins in the membrane d. All of the choices are correct.arrow_forward
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