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oa obtain tne following data for the uptake of leucine and valine inside the cell with and without Na" ions present. Presence of Na+ V max Absence of Na+ Kt Substrate Vmax L-leucine 420 0.24 23 0.20 D-leucine 310 4.7 5 4.7 L-valine 225 0.31 19 0.31 (b) Which substrate seems to be preferred (binds better, or is more efficient) by the transporter? Explain your choice. (c) Draw a simple diagram and show whether this data suggests if the transporter is a symporter, antiporter, or uniporter of leucine and Na*.

oa obtain tne following data for the uptake of leucine and valine inside the cell with and without Na" ions present. Presence of Na+ V max Absence of Na+ Kt Substrate Vmax L-leucine 420 0.24 23 0.20 D-leucine 310 4.7 5 4.7 L-valine 225 0.31 19 0.31 (b) Which substrate seems to be preferred (binds better, or is more efficient) by the transporter? Explain your choice. (c) Draw a simple diagram and show whether this data suggests if the transporter is a symporter, antiporter, or uniporter of leucine and Na*.

Biochemistry
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
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Tou obtain the following data for the uptake of leucine and valine inside the cell with and without Na' Tons present. Presence of Na+ Absence of Na+ Substrate V max Kt Vmax L-leucine 420 0.24 23 0.20 D-leucine 310 4.7 5 4.7 L-valine 225 0.31 19 0.31 (b) Which substrate seems to be preferred (binds better, or is more efficient) by the transporter? Explain your choice. (c) Draw a simple diagram and show whether this data suggests if the transporter is a symporter, antiporter, or uniporter of leucine and Na*.
Transcribed Image Text:Tou obtain the following data for the uptake of leucine and valine inside the cell with and without Na' Tons present. Presence of Na+ Absence of Na+ Substrate V max Kt Vmax L-leucine 420 0.24 23 0.20 D-leucine 310 4.7 5 4.7 L-valine 225 0.31 19 0.31 (b) Which substrate seems to be preferred (binds better, or is more efficient) by the transporter? Explain your choice. (c) Draw a simple diagram and show whether this data suggests if the transporter is a symporter, antiporter, or uniporter of leucine and Na*.
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