Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 6RQ
A cotransporter is a protein that moves more than one molecule at a time. If the molecules are moved in the same direction, the transporters are called __________ carriers; if the molecules are transported in opposite directions, the transporters are called __________ carriers. A transport protein that moves only one substrate is called a(n) __________ carrier.
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Chapter 5 Solutions
Human Physiology: An Integrated Approach (8th Edition)
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_forwardThe movement of molecules from an area of low concentration outside of the cell membrane to an area of high concentration within a cell membrane is most likely which of the following types of transport? a. exocytosis b. diffusion c. endocytosis d. osmosisarrow_forward
- Which feature is typical of primary active transport? The transport protein must cross to the correct side of the membrane before the solute can bind to it. The transport protein is irreversibly phosphorylated as transport takes place. The transport protein catalyzes the conversion of ADP to ATP. The solute moves against the concentration gradient. A concentration gradient provides the energy to move substances against their concentration gradientarrow_forwardActive transport moves substances from an area of high concentration to an area of low concentration of that substance.arrow_forwardThe transport of a certain molecule exhibits the following characteristics: (1) The molecule moves down its concentration gradient; (2) at concentrations above a given level, there is no increase in the rate of transport; and (3) cellular energy is not required for transport to occur. Which type of transport process is at work?arrow_forward
- Active 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_forwardWhat transport mechanism is used when glucose moves in the proximal convoluted tubules of kidneys using sodium ions, ATP, electrochemical gradient, and carrier proteins? Group of answer choices primary active transport secondary active transport facilitated diffusion simple diffusionarrow_forwardTransport of a substance across membranes that requires no direct input of energy is referred to as _____________ transport.arrow_forward
- Difference between primary & secondary active transport.arrow_forwardThe following are true statements regarding passive facilitated transport EXCEPT The process is always thermodynamically favorable. It uses the same driving force as that of active transport. The movement of solute acrosss the membrane is dictated by existing concentration or ion gradient. It requires a carrier protein which is an integral membrane protein.arrow_forwardWhich of the following types of transporters would be utilized to move two different types of molecules across the cell membrane in the same direction? a. Uniporter b. Symporter/Cotransporter c. Antiporter d. Chemiporter e. Protoporterarrow_forward
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