An axon has a surface area of 5×10−6m2 and the membrane is 8×10−9m thick. The dielectric...
An axon has a surface area of 5×10−6m2 and the membrane is 8×10−9m thick. The dielectric constant of the membrane is 6.
Determine the capacitance of the axon considered as a parallel plate capacitor.
If the potential difference across the membrane wall is 0.080 V, determine the magnitude of the charge on each wall.
Determine the energy needed to charge that axon capacitor.
Determine the magnitude of the E⃗ field across the membrane due to the opposite sign charges across the membrane walls.
Calculate the energy density of that field.
Multiply the volume of space occupied by that field by the volume of the membrane to get the total energy stored in the field.
Homework Answers
Add Answer to:
An axon has a surface area of 5×10−6m2 and the membrane is
8×10−9m thick. The dielectric...
The long thin cylindrical axon of a nerve carries nerve impulses. The axon can be as...
The long thin cylindrical axon of a nerve carries nerve impulses. The axon can be as long as 1 m. A) Estimate the capacitance of a 1.0-m-long axon of radius 3.9 ×10−6 m with a membrane thickness of 7.6 ×10−9 m. The dielectric constant of the membrane material is about 6.0. B)Determine the magnitude of the charge on the inside (negative) and outside (positive) of the membrane wall if there is a 0.065-V potential difference across the wall. C)Determine the...
The long thin cylindrical axon of a nerve carries nerve impulses. The axon can be as...
The long thin cylindrical axon of a nerve carries nerve impulses. The axon can be as long as 1 m A) Estimate the capacitance of a 1.0-m-long axon of radius 4.2 ×10−6 m with a membrane thickness of 8.2 ×10−9 m. The dielectric constant of the membrane material is about 6.0? B) Determine the magnitude of the charge on the inside (negative) and outside (positive) of the membrane wall if there is a 0.079-V potential difference across the wall? C)...
The long thin cylindrical axon of a nerve carries nerve impulses. The axon can be as...
The long thin cylindrical axon of a nerve carries nerve impulses. The axon can be as long as 1 m. a. Estimate the capacitance of a 1.0-m-long axon of radius 3.9 ×10−6 m with a membrane thickness of 7.2 ×10−9 m. The dielectric constant of the membrane material is about 6.0. b. Determine the magnitude of the charge on the inside (negative) and outside (positive) of the membrane wall if there is a 0.077-V potential difference across the wall. c....
The long thin cylindrical axon of a nerve carries nerve impulses. The axon can be as...
The long thin cylindrical axon of a nerve carries nerve impulses. The axon can be as long as 1 m. A) Estimate the capacitance of a 1.0-m-long axon of radius 3.9 ×10−6 m with a membrane thickness of 7.6 ×10−9 m. The dielectric constant of the membrane material is about 6.0. the answer is not 2.8534x10^-8 F B)Determine the magnitude of the charge on the inside (negative) and outside (positive) of the membrane wall if there is a 0.065-V potential...
10. -0 points My Notes Ask Your Tea The fluids inside and outside a cell are...
10. -0 points My Notes Ask Your Tea The fluids inside and outside a cell are good conductors separated by the cell wall, which is a dielectric. Thus the cell has capacitance; charge may be stored on its inner and outer surfaces (see the figure below). It is a good approximation to treat the thin charged layer as a parallel-plate capacitor. Typically the wall is 1.20 x 10-8 m thick and has a dielectric constant of 5.00. Cell membrane (a)...
Assume that a red blood cell is spherical with a radius of 3.5 ×10−6 m and...
Assume that a red blood cell is spherical with a radius of 3.5 ×10−6 m and with wall thickness of 8.8 ×10−8 m. The dielectric constant of the membrane is about 5.0. The potential difference across the membrane is 0.080 V. a. Assuming the cell is a parallel plate capacitor, estimate the capacitance of the cell. b. Determine the positive charge on the outside and the equal-magnitude negative charge inside.
Assume that a red blood cell is spherical with a radius of 3.5 ×10−6 m and...
Assume that a red blood cell is spherical with a radius of 3.5 ×10−6 m and with wall thickness of 8.8 ×10−8 m. The dielectric constant of the membrane is about 5.0. The potential difference across the membrane is 0.080 V. a. Assuming the cell is a parallel plate capacitor, estimate the capacitance of the cell. b. Determine the positive charge on the outside and the equal-magnitude negative charge inside.
Assume that a red blood cell is spherical with a radius of 4.3 ×10−6 m and...
Assume that a red blood cell is spherical with a radius of 4.3 ×10−6 m and with wall thickness of 8.5 ×10−8 m. The dielectric constant of the membrane is about 5.0. The potential difference across the membrane is 0.080 V. A) Assuming the cell is a parallel plate capacitor, estimate the capacitance of the cell. B) Determine the positive charge on the outside and the equal-magnitude negative charge inside.
Assume that a red blood cell is spherical with a radius of 3.5 ×10−6 m and...
Assume that a red blood cell is spherical with a radius of 3.5 ×10−6 m and with wall thickness of 8.8 ×10−8 m. The dielectric constant of the membrane is about 5.0. The potential difference across the membrane is 0.080 V. a. Assuming the cell is a parallel plate capacitor, estimate the capacitance of the cell. b. Determine the positive charge on the outside and the equal-magnitude negative charge inside.
The fluids inside and outside a cell are good conductors separated by the cell wall, which...
The fluids inside and outside a cell are good conductors separated by the cell wall, which is a dielectric. Thus the cell has capacitance; charge may be stored on its inner and outer surfaces (see the figure below). It is a good approximation to treat the thin charged layer as a parallel-plate capacitor. Typically the wall is 9.50 x 10-9 m thick and has a dielectric constant of 5.00. (everybody's responses to this question before were incorrect so I need...
10. -0 points My Notes Ask Your Tea The fluids inside and outside a cell are good conductors separated by the cell wall, which is a dielectric. Thus the cell has capacitance; charge may be stored on its inner and outer surfaces (see the figure below). It is a good approximation to treat the thin charged layer as a parallel-plate capacitor. Typically the wall is 1.20 x 10-8 m thick and has a dielectric constant of 5.00. Cell membrane (a)...
Most questions answered within 3 hours.
-
The price of 1 lb of potatoes is $1.75. If all the potatoes sold
today at...
asked 40 minutes ago -
Garcia Company issues 20.00%, 15-year bonds with a par value of
$470,000 and semiannual interest payments....
asked 38 minutes ago -
In C++ Programming, Try using loops only.
This lab demonstrates the use of the While Loop...
asked 1 hour ago -
Effect of DCMU and sodium azide on Chlamydomonas? We did an
experiment where we had Chlamydomonas...
asked 2 hours ago -
1a) According to the ideal gas law, _______________.
a. a gas has infinite volume at absolute...
asked 3 hours ago -
Oakdale Fashions, Inc. had $245,000 in 2018 taxable income.
Using the tax schedule in Table 2.3...
asked 4 hours ago -
The marketing class at CSUS had an average score of 150. An
educational analyst determined that...
asked 5 hours ago -
Justin Case has purchased a $250 000 home by putting 20 % down
and taking out...
asked 5 hours ago -
1. In a labor market, marginal cost for a firm is
____________.
a. recruiting cost
b....
asked 6 hours ago -
On January 1, 2019, ABC Company issued $60,000,000 of 20-year,
10.5% bonds when the market rate...
asked 6 hours ago -
39.4% of US homes continue to use a landline in addition to cell
phone service. 3...
asked 7 hours ago -
Starting with benzene, synthesize 1-phenyl-1-butyne.
Show intermediates and reagents.
asked 7 hours ago