Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Chapter 4.3, Problem 4.3.1QC
In simple diffusion, do individual molecules always go down their concentration gradient? Why or why not?
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What is the difference between simple and facilitated diffusion? Facilitated by which type of molecule does the term “facilitated” mean?
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how are simple diffusion and facilitated diffusion similar? how are they different? how are facilitated diffusion and active transport similar? how are they different?
Chapter 4 Solutions
Principles of Human Physiology (6th Edition)
Ch. 4.1 - What is the difference between passive transport...Ch. 4.1 - Prob. 4.1.2QCCh. 4.1 - Prob. 4.1.3QCCh. 4.1 - Determine the direction of the electrical driving...Ch. 4.1 - Assume that sodium and calcium ions are being...Ch. 4.1 - Refer to Table 4.1 for intracellular and...Ch. 4.3 - In simple diffusion, do individual molecules...Ch. 4.3 - Prob. 4.3.2QCCh. 4.3 - Prob. 4.3.3QCCh. 4.3 - What is the difference between a channel and a...
Ch. 4.3 - Prob. 4.4.2QCCh. 4.3 - Prob. 4.4.3QCCh. 4.4 - Prob. 4.5.1QCCh. 4.4 - Prob. 4.5.2QCCh. 4.4 - Prob. 4.5.3QCCh. 4.6 - Name the three types of endocytosis. Which type(s)...Ch. 4.6 - Prob. 4.6.2QCCh. 4.7 - Prob. 4.7.1QCCh. 4.7 - Prob. 4.7.2QCCh. 4.7 - Prob. 1CTQCh. 4.7 - Prob. 2CTQCh. 4.7 - Prob. 3CTQCh. 4 - Prob. 1ECh. 4 - Prob. 2ECh. 4 - Prob. 3ECh. 4 - Prob. 4ECh. 4 - Prob. 5ECh. 4 - Prob. 6ECh. 4 - Prob. 7ECh. 4 - Movement of Na+ in sodium-linked glucose...Ch. 4 - Prob. 9ECh. 4 - Prob. 10ECh. 4 - Which of the following transport mechanisms...Ch. 4 - Substances that cross cell membranes by simple...Ch. 4 - Prob. 13ECh. 4 - Prob. 14ECh. 4 - Prob. 15ECh. 4 - Prob. 16ECh. 4 - Prob. 17ECh. 4 - Prob. 18ECh. 4 - Describe the various factors that determine...Ch. 4 - Explain the mechanism of glucose absorption by...Ch. 4 - Prob. 21ECh. 4 - Prob. 22ECh. 4 - Prob. 23ECh. 4 - Prob. 24ECh. 4 - Prob. 25ECh. 4 - Prob. 26ECh. 4 - Prob. 27E
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- Visit this link (http://openstaxcollege.org/l/diffusion) to see diffusion and how it is propelled by the kinetic energy of molecules in solution. How does temperature affect diffusion rate, and why?arrow_forwardThe principal force driving movement in diffusion is______. a. temperature b. particle size c. concentration gradient d. membrane surface areaarrow_forwardWhich of the following methods of transport is being used to transfer the substance into the cell in the accompanying graph? a. diffusion down a concentration gradient b. osmosis c. facilitated diffusion d. active transport e. vesicular transport f. It is impossible to tell with the information provided.arrow_forward
- Why is it advantageous for the cell membrane to be fluid in nature?arrow_forwardHow does facilitated diffusion differ from simple diffusion?arrow_forwardWhat two properties must a substance typically have to be capable of simple diffusion across a cell membrane? If a substance does not have these properties, can it still cross a cell membrane? How?arrow_forward
- What do diffusion, facilitated diffusion, and osmosis have in common? In what way do they differ?arrow_forwardWhat do diffusion and osmosis have in common? How are they different from active transport? In the nervous system, where can you find examples of each of these?arrow_forwardWhich of the following is inversely related to the rate of diffusion for certain substance: a- Diffusion coefficient b- Area available for diffusion C- Width of cell membrane d- Different in concentration for the substancearrow_forward
- What is Facilitated Diffusion?arrow_forwardWithout saturation of transport proteins and under the same concentration gradient how can the speed of simple diffusion be compared to the speed of facilitated diffusion?arrow_forwardWhat type of processes (active or passive) are diffusion and osmosis? What are the 3 major characteristicsof these types of processes (active or passive)arrow_forward
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