Pearson eText Human Physiology: An Integrated Approach -- Instant Access (Pearson+)
8th Edition
ISBN: 9780135212905
Author: Dee Silverthorn
Publisher: PEARSON+
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Textbook Question
Chapter 5, Problem 3RQ
Which of the following processes are examples of active transport, and which are examples of passive transport? Simple diffusion, phagocytosis, facilitated diffusion, exocytosis, osmosis, endocytosis.
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Which of the following statements about diffusion is correct?
It is an active process in which molecules move from a region of lower concentration to one of higher concentration.
It is very rapid over long distances.
It requires an expenditure of energy by the cell.
It is a passive process in which molecules move from a region of lower concentration to a region of higher concentration.
It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.
Differentiate the following:
simple diffusion; facilitated diffusion
Facilitated diffusion, active transport
Endocytosis; exocytosis(in terms of purpose, substance transported, direction of motion of the vesicle)
Bulk flow; cytoplasmic streaming
Define and provide an example for each of the following: simple diffusion, facilitated diffusion, osmosis, passive transport and active transport.
Chapter 5 Solutions
Pearson eText Human Physiology: An Integrated Approach -- Instant Access (Pearson+)
Ch. 5.1 - If the 58-kg Reference Woman has total body water...Ch. 5.1 - A mother brings her baby to the emergency room...Ch. 5.1 - Prob. 6CCCh. 5.1 - Two compartments are separated by a membrane that...Ch. 5.1 - Prob. 8CCCh. 5.1 - Prob. 9CCCh. 5.1 - Prob. 10CCCh. 5.3 - If the distance over which a molecule must diffuse...Ch. 5.3 - Prob. 12CCCh. 5.3 - Which is more likely to cross a cell membrane by...
Ch. 5.3 - Prob. 14CCCh. 5.3 - Prob. 15CCCh. 5.3 - Prob. 16CCCh. 5.4 - Positively charged ions are called _____, and...Ch. 5.4 - Name four functions of membrane proteins.Ch. 5.4 - Prob. 19CCCh. 5.4 - Prob. 20CCCh. 5.4 - If a channel is lined with amino acids that have a...Ch. 5.4 - Prob. 22CCCh. 5.4 - Liver cells (hepatocytes) are able to convert...Ch. 5.4 - Prob. 24CCCh. 5.5 - What would you call a carrier that moves two...Ch. 5.5 - Prob. 26CCCh. 5.5 - Prob. 27CCCh. 5.5 - Name the two membrane protein families associated...Ch. 5.5 - Prob. 29CCCh. 5.6 - Prob. 30CCCh. 5.6 - Prob. 31CCCh. 5.6 - Prob. 32CCCh. 5.6 - Prob. 33CCCh. 5.7 - Prob. 34CCCh. 5 - Using what you learned about the naming...Ch. 5 - Prob. 2CCCh. 5 - Prob. 3CCCh. 5 - Prob. 1RQCh. 5 - Distinguish between active transport and passive...Ch. 5 - Which of the following processes are examples of...Ch. 5 - List four factors that increase the rate of...Ch. 5 - List the three physical methods by which materials...Ch. 5 - A cotransporter is a protein that moves more than...Ch. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - What determines the osmolarity of a solution? In...Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - The membrane potential at which the electrical...Ch. 5 - Prob. 16RQCh. 5 - Create a map of transport across cell membranes...Ch. 5 - Draw a large rectangle to represent the total body...Ch. 5 - What factors influence the rate of diffusion...Ch. 5 - Define the following terms and explain how they...Ch. 5 - Prob. 21RQCh. 5 - Prob. 22RQCh. 5 - Prob. 23RQCh. 5 - Prob. 24RQCh. 5 - Prob. 25RQCh. 5 - Prob. 26RQCh. 5 - The following terms have been applied to membrane...Ch. 5 - Prob. 28RQCh. 5 - NaCl is a nonpenetrating solute and urea is a...Ch. 5 - Prob. 30RQCh. 5 - Prob. 31RQCh. 5 - What is the osmolarity of half-normal saline (=...Ch. 5 - Prob. 33RQCh. 5 - Prob. 34RQ
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- Distinguish between the following pairs of terms: a. diffusion; osmosis b. passive transport; active transport c. endocytosis; exocytosisarrow_forwardThe passive movement of a solute through a membrane protein down its concentration gradient is an example of _________. a. osmosis b. active transport c. endocytosis d. diffusionarrow_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
- A transport protein requires ATP to pump sodium ions across a membrane. This is a case of ______. a. passive transport b. active transport c. facilitated diffusion d. a and carrow_forwardThe principal force driving movement in diffusion is______. a. temperature b. particle size c. concentration gradient d. membrane surface areaarrow_forwardWhy is it advantageous for the cell membrane to be fluid in nature?arrow_forward
- Which plasma membrane component can be either found on its surface or embedded in the membrane structure? a. protein b. cholesterol c. carbohydrate d. phospholipidarrow_forwardVisit 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 plasma membrane __________. a. surrounds the cytoplasm b. separates the nucleus from the cytoplasm c. separates the cell interior from the environment d. both a and carrow_forward
- Crossing a cell membrane by simple diffusion can be distinguished from facilitated diffusion by which of the following: Select all that apply. Simple diffusion moves molecules down a concentration gradient while facilitated diffusion moves molecules up a concentration gradient Simple diffusion does not require membrane proteins; facilitated diffusion requires specific membrane proteins Simple diffusion does not require energy; facilitated diffusion requires energy Simple diffusion is not saturable; facilitated diffusion rates are limited by the number of functional membrane proteins and can be saturatedarrow_forwardWhich of the following are features of facilitated diffusion? There may be more than one correct answer, select all that apply. Requires energy Movement assisted by proteins Can include passive diffusion Depends on ATP hydrolysis Can include ion transport down its concentration gradient in a cell (high to low concentration)arrow_forwardDefine osmosis, simple diffusion, facilitated diffusion and why each of these is a form of passive transport with examples of each type of passive transport.arrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license