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 and information above, please answer the following questions below: ( Is the concentration of dopamine higher on the inside or the outside of the presynaptic cell? SHOW your work. 2.) Would the movement of dopamine INTO the presynaptic cell be active or passive? SHOW your work. 5.Use the following diagram to answer the questions below.X-Presynaptic= dopamine%3Ddopaminereceptor|Postsynaptic

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

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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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 and information above, please answer the following questions below:

( Is the concentration of dopamine higher on the inside or the outside of the presynaptic cell? SHOW your work.

2.) Would the movement of dopamine INTO the presynaptic cell be active or passive? SHOW your work.

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

Expert Solution

Step 1

Active transport

It is defined as the transport of molecules across the cell membrane with the need of energy . In this movement the transport takes place against the concentration gradient, that is from high concentration to low concentration.

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