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.
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.
Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter32: Neural Control
Section: Chapter Questions
Problem 10SQ: Dorsal root ganglia contain _______ of sensory neurons. a. cell bodies b. axon terminals c....
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Question
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.
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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