Conditions:[Na+] outside = .3 mM[Na+] inside the presynaptic cell = .01 mM[dopamine] inside = .5 mM[dopamine] outside = .001 mMΔGinward = RT ln [X] inside/[X] outside + z F VmF = 23,000 cal/mol VR = 1.987 cal/ mol KMembrane potential is .07 VTemperature is 273 K Using the attachment the information provided, please answer the following questions : Using what you know about transport across membranes, would the movement of sodium INTO the cell be active or passive? SHOW your work. 2. Using all of this information, how could you explain how dopamine can re-enter the presynaptic cell – i.e. where does the energy come from? Use the information in this question to formulate your answer. 5.Use the following diagram to answer the questions below.X-Presynaptic= dopamine%3Ddopaminereceptor|Postsynaptic

Answered: Conditions: [Na+] outside = .3 mM…

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ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter15: The Autonomic Nervous System

Section: Chapter Questions

Problem 8RQ: Which type of fiber could be considered the longest? preganglionic parasympathetic preganglionic...

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Conditions:

[Na+] outside = .3 mM

[Na+] inside the presynaptic cell = .01 mM

[dopamine] inside = .5 mM

[dopamine] outside = .001 mM

ΔGinward = RT ln [X] inside/[X] outside + z F Vm

F = 23,000 cal/mol V

R = 1.987 cal/ mol K

Membrane potential is .07 V

Temperature is 273 K

Using the attachment the information provided, please answer the following questions :

Using what you know about transport across membranes, would the movement of sodium INTO the cell be active or passive? SHOW your work.

2. Using all of this information, how could you explain how dopamine can re-enter the presynaptic cell – i.e. where does the energy come from? Use the information in this question to formulate your answer.

5.
Use the following diagram to answer the questions below.
X-
Presynaptic
= dopamine
%3D
dopamine
receptor
|
Postsynaptic

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