(b) The GLUT system is highly selective for glucose. It also speeds up the rate of glucose transport across the membrane by as much as 100-fold when compared to the passive diffusion of glucose across a bilayer in the absence of any transport system. While impressive, this rate of transport is much slower than purely diffusion limited rate of movement (ie. the fastest a molecule can move by diffusion). Given this fact, on the blank plot below draw the expected relationship between the rate of GLUT-mediated transport and increasing [glucose]? Use the space below the graph to explain your answer. fast Transport Rate slow low [glucose] high (c) Next, use a dashed line on the same plot above to draw the shape of the curve when the amount of GLUT transporters in the membrane is cut in half. Briefly explain your answer in the space provided below the graph.
(b) The GLUT system is highly selective for glucose. It also speeds up the rate of glucose transport across the membrane by as much as 100-fold when compared to the passive diffusion of glucose across a bilayer in the absence of any transport system. While impressive, this rate of transport is much slower than purely diffusion limited rate of movement (ie. the fastest a molecule can move by diffusion). Given this fact, on the blank plot below draw the expected relationship between the rate of GLUT-mediated transport and increasing [glucose]? Use the space below the graph to explain your answer. fast Transport Rate slow low [glucose] high (c) Next, use a dashed line on the same plot above to draw the shape of the curve when the amount of GLUT transporters in the membrane is cut in half. Briefly explain your answer in the space provided below the graph.
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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![(b) The GLUT system is highly selective for glucose. It also speeds up the rate of glucose
transport across the membrane by as much as 100-fold when compared to the passive diffusion
of glucose across a bilayer in the absence of any transport system. While impressive, this rate of
transport is much slower than purely diffusion limited rate of movement (ie. the fastest a
molecule can move by diffusion). Given this fact, on the blank plot below draw the expected
relationship between the rate of GLUT-mediated transport and increasing [glucose]? Use the
space below the graph to explain your answer.
fast
Transport Rate
slow
low
[glucose]
high
(c) Next, use a dashed line on the same plot above to draw the shape of the curve when the
amount of GLUT transporters in the membrane is cut in half. Briefly explain your answer in the
space provided below the graph.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd6957468-6fb1-4659-9083-987b06676d6d%2Fd8de22cb-6277-4cc5-9ad4-02c18e165dfa%2Fdmw2iyp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(b) The GLUT system is highly selective for glucose. It also speeds up the rate of glucose
transport across the membrane by as much as 100-fold when compared to the passive diffusion
of glucose across a bilayer in the absence of any transport system. While impressive, this rate of
transport is much slower than purely diffusion limited rate of movement (ie. the fastest a
molecule can move by diffusion). Given this fact, on the blank plot below draw the expected
relationship between the rate of GLUT-mediated transport and increasing [glucose]? Use the
space below the graph to explain your answer.
fast
Transport Rate
slow
low
[glucose]
high
(c) Next, use a dashed line on the same plot above to draw the shape of the curve when the
amount of GLUT transporters in the membrane is cut in half. Briefly explain your answer in the
space provided below the graph.
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