Part C - Facilitated diffusion via channels and carrier proteins The majority of solutes that diffuse across the plasma membrane cannot move directly through the lipid bilayer. The passive movement of such solutes (down their concentration gradients without the input of cellular energy) requires the presence of specific transport proteins, either channels or carrier proteins. Diffusion through a transport protein in the plasma membrane is called facilitated diffusion. outside cell channel protein inside cell carrier protein' Adapted from Biology by Campbell and Reece ©2008 Pearson Education, Inc. Sort the phrases into the appropriate bins depending on whether they are true only for channels, true only for carrier proteins, or true for both channels and carriers. ▸ View Available Hint(s) only channels transport primarily small polar organic molecules provide a continuous path across the membrane provide a hydrophilic path across the membrane allow water molecules and small ions to flow quickly across the membrane undergo a change in shape to transport solutes across the membrane transport solutes down a concentration or electrochemical gradient are integral membrane proteins only carriers both channels and carriers Reset Help
Part C - Facilitated diffusion via channels and carrier proteins The majority of solutes that diffuse across the plasma membrane cannot move directly through the lipid bilayer. The passive movement of such solutes (down their concentration gradients without the input of cellular energy) requires the presence of specific transport proteins, either channels or carrier proteins. Diffusion through a transport protein in the plasma membrane is called facilitated diffusion. outside cell channel protein inside cell carrier protein' Adapted from Biology by Campbell and Reece ©2008 Pearson Education, Inc. Sort the phrases into the appropriate bins depending on whether they are true only for channels, true only for carrier proteins, or true for both channels and carriers. ▸ View Available Hint(s) only channels transport primarily small polar organic molecules provide a continuous path across the membrane provide a hydrophilic path across the membrane allow water molecules and small ions to flow quickly across the membrane undergo a change in shape to transport solutes across the membrane transport solutes down a concentration or electrochemical gradient are integral membrane proteins only carriers both channels and carriers Reset Help
Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter31: Completing The Protein Life Cycle: Folding, Processing, And Degradation
Section: Chapter Questions
Problem 9P
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![Part C - Facilitated diffusion via channels and carrier proteins
The majority of solutes that diffuse across the plasma membrane cannot move directly through the lipid bilayer. The passive movement of such solutes (down their concentration gradients without the input of cellular energy)
requires the presence of specific transport proteins, either channels or carrier proteins. Diffusion through a transport protein in the plasma membrane is called facilitated diffusion.
outside cell
channel protein
inside cell
carrier protein'
Adapted from Biology by Campbell and Reece ©2008 Pearson Education, Inc.
Sort the phrases into the appropriate bins depending on whether they are true only for channels, true only for carrier proteins, or true for both channels and carriers.
▸ View Available Hint(s)
only channels
transport primarily small polar organic
molecules
provide a continuous path across the
membrane
provide a hydrophilic path across the
membrane
allow water molecules and small ions
to flow quickly across the membrane
undergo a change in shape to
transport solutes across the
membrane
transport solutes down a
concentration or electrochemical
gradient
are integral membrane proteins
only carriers
both channels and carriers
Reset
Help](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb07cb39e-ddbc-44ff-927a-80f9ff3bbc4d%2Fe5da1e37-4149-4054-8fb8-2da3d9c4135e%2Fo1dhpjj8_processed.png&w=3840&q=75)
Transcribed Image Text:Part C - Facilitated diffusion via channels and carrier proteins
The majority of solutes that diffuse across the plasma membrane cannot move directly through the lipid bilayer. The passive movement of such solutes (down their concentration gradients without the input of cellular energy)
requires the presence of specific transport proteins, either channels or carrier proteins. Diffusion through a transport protein in the plasma membrane is called facilitated diffusion.
outside cell
channel protein
inside cell
carrier protein'
Adapted from Biology by Campbell and Reece ©2008 Pearson Education, Inc.
Sort the phrases into the appropriate bins depending on whether they are true only for channels, true only for carrier proteins, or true for both channels and carriers.
▸ View Available Hint(s)
only channels
transport primarily small polar organic
molecules
provide a continuous path across the
membrane
provide a hydrophilic path across the
membrane
allow water molecules and small ions
to flow quickly across the membrane
undergo a change in shape to
transport solutes across the
membrane
transport solutes down a
concentration or electrochemical
gradient
are integral membrane proteins
only carriers
both channels and carriers
Reset
Help
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