Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 5, Problem 34RQ
Summary Introduction
Introduction: Cell membrane separates the internal environment of the cell from the outer environment. It is a semi-permeable membrane that allows transport of only a few materials across it. Some of the molecules can pass through the cell membrane while others need assistance to pass through the cell. Glucose is one of the molecules that can easily pass through the cell membrane.
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Choose the passive process from the list below.
A. Water moving through the membrane
B. Sodium moving out of a cell
C. Potassium moving into a cell
D. Endocytosis
E. Oxygen moving from inhaled air into blood stream.
Model 1 and Model two are diagrams showing the process of two types of bulk transport which require energy. Which of the following statements correctly describes the type of transport that is occurring in Model 1 and Model 2?
A . Model 1 and 2 are types of passive transport.
B . Model 1 and 2 help to transport only one molecule at time.
C . Model 1 shows endocytosis, where the cell surrounds molecules from outside the cell and takes the molecules into the cell.
D . Model 2 shows endocytosis, where the cell surrounds molecules from inside the cell and releases them outside of the cell.
The 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. osmosis
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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- Differentiate the following in terms of description and properties. a. Diffusion b. Active transport c. Osmosis d. Imbibitionarrow_forwardGlucose is often present in very low concentrations in environments populated by microorganisms. To import the maximum amount of available glucose, cells use a. Receptor-mediated endocytosis b. Simple diffusion c. Osmosis d. Facilitated diffusionarrow_forwardChoose the processes from the list below which require active transport A. Water moving through the membrane B. Sodium moving out of a cell C. Potassium moving into a cell D. Endocytosis E. Oxygen moving from inhaled air into blood stream.arrow_forward
- Which of the following statements is/are true about transport proteins?I. They carry out biochemical functions that remove nutrients in a cell.II. They are proteins which have high specificity to a single kind of molecule.III. They function to accumulate solutes against the concentration gradient.IV. They are highly regulated in a cell.arrow_forwardExplain the process and give an example of each form of cellular transport. a. Passive Diffusion b. Active Transport c. Facilitated Diffusionarrow_forwardWhat type of energy helps drive the passive processes of diffusion, osmosis, and facilitated diffusion? (Pick ALL correct statements involved with this.) In other words what are all the TRUE statements regarding these processes? Select one or more: a.random motion which increases when temperature increases b.ATP energy c.random motion which increases when molecules have large molecular weight d.random motion which increases when molecules concentration decreases e.random motion which increases when molecules concentration increases f.random motion which decreases when temperature decreases g.random motion which increases when molecules have low molecular weightarrow_forward
- Define the following terms: a. network b. metabolic network c. signaling network d. module e. motifarrow_forwardBased on the figure attached, this system represents: a. primary active transport b. passive transport c. non-mediated transport d. secondary active transport e. A and Darrow_forwardWhat type of energy helps drive the passive processes of diffusion, osmosis, and facilitated diffusion? (Pick ALL correct statements involved with this.) In other words what are all the TRUE statements regarding these processes? Select one or more: a. random motion which increases when molecules have low molecular weight b. random motion which decreases when temperature decreases c. random motion which increases when temperature increases d. random motion which increases when molecules concentration increases e. ATP energy f. random motion which increases when molecules have large molecular weight g. random motion which increases when molecules concentration decreasesarrow_forward
- Consider a cell membrane. In order to survive, the cell must move nutrients across the membrane and it must move waste products out of the membrane. Describe the strategies available to the cell for the transport of materials. Describe these strategies. Indicate what happens when equilibrium is reached for each strategy.arrow_forwardCells transport sodium ions out of the cell against the sodium concentration gradient. This is an example of: a. facilitated diffusion b. simple diffusion c. diffusion via channel proteins d. endocytosis e. active transportarrow_forwardCompare and contrast the following processes. Give anexample of each to illustrate.a. primary vs secondary active transportb. passive vs facilitated diffusionc. carrier-mediated vs channel-mediated transportarrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license