The bi-layer of a cell wall can act like a capacitor. A certain cell is spherical...
The bi-layer of a cell wall can act like a capacitor. A certain cell is spherical in shape, with a diameter of 18.1 µm. The cell wall has a thickness of 8.33 nm. Proteins in the wall give an effective dielectric constant of 8.93. What is the capacitance of this cell, in pF?
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The bi-layer of a cell wall can act like a capacitor. A certain
cell is spherical...
Lipid bi-layer of all cell membranes can be modeled as a sandwich consisting of two layers of conductors capacitor. The capacitance per unit area (specific capacitance) of cellular membranes was...
Lipid bi-layer of all cell membranes can be modeled as a sandwich consisting of two layers of conductors capacitor. The capacitance per unit area (specific capacitance) of cellular membranes was first determined in the 1920s to have a value of about 1 μF cm' a) State the equation that define the capaoitance of parallel-plate capacitor if a dielectric materials with dielectric permittivity ε fills the space bctwcen plates. [2 pts) b) Write the value of specific capacitance of cellular membranes...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Tiny electrodes introduced into the interior of the cell show a potential difference of 100 mV across the membrane. The membrane's thickness is estimated to be 96 nm and has a dielectric constant of 5.00. (a) If an average red blood cell has a...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Tiny electrodes introduced into the interior of the cell show a potential difference of 100 mV across the membrane. The membrane's thickness is estimated to be 95 nm and has a dielectric constant of 5.00 (a) If an average red blood cell has a...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Tiny electrodes introduced into the interior of the cell show a potential difference of 100 mV across the membrane. The membrane's thickness is estimated to be 104 nm and has a dielectric constant of 5.00. (a) If an average red blood cell has 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.
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. The answers are not 3.025x10^-14F and not 2.42x10^-15
Part A Assume that a red blood cell is spherical with a radius of 3.6 x...
Part A Assume that a red blood cell is spherical with a radius of 3.6 x 10-ºm and with wall thickness of 8.6 x 10 m. The dielectric constant of the membrane is about 5.0. The potential difference across the membrane is 0.080 V Assuming the cell is a parallel plate capacitor, estimate the capacitance of the cell. Express your answer with the appropriate units. C= Value Units Submit Request Answer Part B Determine the positive charge on the outside...
Lipid bi-layer of all cell membranes can be modeled as a sandwich consisting of two layers of conductors capacitor. The capacitance per unit area (specific capacitance) of cellular membranes was first determined in the 1920s to have a value of about 1 μF cm' a) State the equation that define the capaoitance of parallel-plate capacitor if a dielectric materials with dielectric permittivity ε fills the space bctwcen plates. [2 pts) b) Write the value of specific capacitance of cellular membranes...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Tiny electrodes introduced into the interior of the cell show a potential difference of 100 mV across the membrane. The membrane's thickness is estimated to be 95 nm and has a dielectric constant of 5.00 (a) If an average red blood cell has a...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Tiny electrodes introduced into the interior of the cell show a potential difference of 100 mV across the membrane. The membrane's thickness is estimated to be 104 nm and has a dielectric constant of 5.00. (a) If an average red blood cell has a...
Part A Assume that a red blood cell is spherical with a radius of 3.6 x 10-ºm and with wall thickness of 8.6 x 10 m. The dielectric constant of the membrane is about 5.0. The potential difference across the membrane is 0.080 V Assuming the cell is a parallel plate capacitor, estimate the capacitance of the cell. Express your answer with the appropriate units. C= Value Units Submit Request Answer Part B Determine the positive charge on the outside...
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