MasteringA&P with Pearson eText -- Standalone Access Card -- for Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134650623
Author: Marieb
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 6MC
For diffusion to occur, there must be
a. a selectively permeable membrane.
b. equal amounts of solute.
c. a concentration difference.
d. some sort of carrier system.
e. all of the above.
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Students have asked these similar questions
Which of these statements about carrier-mediated facilitated diffusion is true? a. It uses cellular ATP. b. It is used for cellular uptake of blood glucose. c. It is a form of active transport. d. None of these are true.
In terms of their effect on the rate of diffusion, which of the following is the odd one out?
a) decreasing the surface area of the membrane
b) decreasing membrane permeability
c) decreasing lipid solubility of the diffusing molecule
d) decreasing the concentration gradient of the diffusing molecule
e) decreasing the thickness of the membrane
As molecular weight increases.a). the rate of diffusion remain unchanged.b). the rate of diffusion decreases.c). the rate of diffusion increases.d). the rate of diffusion stops.
Chapter 3 Solutions
MasteringA&P with Pearson eText -- Standalone Access Card -- for Essentials of Human Anatomy & Physiology (12th Edition)
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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
- Choose answer of the following Which of the following is incorrect regarding facilitated diffusion?a. It is a passive process.b. It allows the movement of molecules from areas of lowconcentration to areas of high concentration.c. It may use either channel or carrier proteins.d. It allows the rapid transport of glucose across the membrane.arrow_forwardWhich of the following scenarios is an example of diffusion? A. A glass of water is spilled, and the water flows all over the place B. Sodium and chloride ions from salt dissipate through a glass of water, passing through a membrane in the process C. Water flows through a membrane based on the amount of solute on either side of the membrane D. A cloud of hairspray dissipates throughout a room E. All of the answer choices are correctarrow_forwarda. What concept pertains to the movement of particles across the cell membrane? A. Diffusion B. Active transport C. Facilitated diffusion b. Which respiration which happened between the blood and body tissue? A. Internal respiration B. External Respiration C. Both a and barrow_forward
- In diffusion, substances move from a _____ concentration to a _____ concentration. Select one: higher, lower lower, lower higher, higher lower, higherarrow_forwardThe diffusion of water across a selectively permeable membrane is called? A. Active transport B. Facilitated diffusion C. Osmosis D. Cell membranearrow_forwardFacilitated diffusion differs from active transport in thatfacilitated diffusiona. expends no ATP.b. moves molecules from an area of higher concentration toone of lower concentration.c. does not require a carrier protein for transport.d. moves molecules in vesicles across a semipermeablemembrane.arrow_forward
- Which of the following distinguishes osmosis from simple diffusion? a) a concentration gradient b) a solute c) a selectively permeable membrane d) water moleculesarrow_forwardIf a cell could not properly incorporate proteins into its membrane , which of the following functions would be lost? A Synaptic transmission of an action potential B. Diffusion of oxygen from the circulatory system to interstitial fuild. C. Removal of the waste product CO2 from the cell to the interstitial fluid. O D. B And Carrow_forwardWhen cellular transport through the plasma membrane must be provided with energy in form of ATP to power the transport process, what is this called? A. Selective permeability B. Passive transport C. Active transport D. Diffusionarrow_forward
- Provide 2 examples of Diffusion, Osmosis, and Semi-Permeable Membrane (1 from the "Diffusion Through a Membrane" lab and 1 from any biological situation) and explain how those examples illustrates the concept.arrow_forwardWhich of the following factors would tend to increasemembrane fluidity?(A) a greater proportion of unsaturated phospholipids(B) a greater proportion of saturated phospholipids(C) a lower temperature(D) a relatively high protein content in the membranearrow_forwardFacilitated transport differs from diffusion in that facilitated diffusiona. involves the passive use of a carrier protein.b. involves the active use of a carrier protein.c. moves a molecule from a low to a high concentration.d. involves the use of ATP molecules.arrow_forward
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