the electric field across a cell membrane is 1.0x10^7N/C directed into the cell. if a pores...
the electric field across a cell membrane is 1.0x10^7N/C directed into the cell. if a pores opens which way do sodium ions flow into the cell or out of the cell. what is the magnitude of the electric force on the sodium ion? the charge on the sodium ion is + e
Homework Answers
Add Answer to:
the electric field across a cell membrane is
1.0x10^7N/C directed into the cell. if a pores...
The electric field across a cell membrane is 5.36 × 107 N/C directed into the cell....
The electric field across a cell membrane is 5.36 × 107 N/C directed into the cell. What is the magnitude of the electric force on the sodium ion? The charge on the sodium ion is +e.
a. Determine the average magnitude of the E⃗ field across a body cell membrane. A 0.070-V potential...
a. Determine the average magnitude of the E⃗ field across a body cell membrane. A 0.070-V potential difference exists from one side to the other and the membrane is 7.4 ×10−9 m thick. Assume that the dielectric constant is 1.0 (it is actually somewhat larger). b. Determine the magnitude of the electrical force on a sodium ion (charge +e) in the membrane.
A)Determine the average magnitude of the E⃗ field across a body cell membrane. A 0.050-V potential...
A)Determine the average magnitude of the E⃗ field across a body cell membrane. A 0.050-V potential difference exists from one side to the other and the membrane is 7.1 ×10−9 m thick. Assume that the dielectric constant is 1.0 (it is actually somewhat larger). The answer is not 7.0x10^-12 or 7 B) Determine the magnitude of the electrical force on a sodium ion (charge +e) in the membrane.
Large electric fields in cell membranes cause ions to move through the cell wall. The field...
Large electric fields in cell membranes cause ions to move through the cell wall. The field strength in a typical membrane is 1.0 times 107 N/C. What is the magnitude of the force on a calcium ion with charge +e? Express your answer using two significant figures.
Question 3-6 points (a) Calculate the electric field in a cell membrane with a thickness of...
Question 3-6 points (a) Calculate the electric field in a cell membrane with a thickness of 8nm when the membrane potential is-70 mV. (2 points) (b) If a Sodium ion, Na, moves from inside the cell to outside the cell, calculate the change in the ion's electric potential energy. Does it increase or decrease? (2 Points) (e) In one cycle the sodium-potassium pump removes 3 sodium ions from the cell while importing 2 potassium ions, K. What is the total...
PH 142 Total: 25 Due: 02/01/19 at Question 3-6 points (a) Calculate the electric field in...
PH 142 Total: 25 Due: 02/01/19 at Question 3-6 points (a) Calculate the electric field in a cell membrane with a thickness of 8nm when the membrane potential is -70 mV. (2 points) (b) If a Sodium ion, Na", moves from inside the cell to outside the cell, calculate the change in the ion's electric potential energy. Does it increase or decrease? (2 Points) (e) In one cycle the sodium-potassium pump removes 3 sodium ions from the cell while importing...
Large electric fields in cell membranes cause ions to move through the cell wall. The field...
Large electric fields in cell membranes cause ions to move through the cell wall. The field strength in a typical membrane is 1.0 times 10^7 N/C. You may want to review What is the magnitude of the force on a calcium ion with charge +e? Express your answer using two significant figures. F= N
Large electric fields in cell membranes cause ions to move through the cell wall. The field...
Large electric fields in cell membranes cause ions to move through the cell wall. The field strength in a typical membrane is 1.0 x 10 7 N/C. What is the magnitude of the force on a calcium ion with charge +e? What is its acceleration? Is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? What would change the acceleration: mass of the particle? diameter of the...
7. The electric field in a cell membrane has a magnitude of 1.0 10 N/C. Calculate...
7. The electric field in a cell membrane has a magnitude of 1.0 10 N/C. Calculate the magnitude of the force exerted on a Na ion.
The membrane surrounding a living cell consists of an inner and an outer wall that are...
The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. Assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.1x10^-6 C/m^2. What is the magnitude of the electric field within the cell membrane? Then find the magnitude of the electric force that would be exerted on a potassium ion (K+; charge=+e) placed...
Large electric fields in cell membranes cause ions to move through the cell wall. The field strength in a typical membrane is 1.0 times 107 N/C. What is the magnitude of the force on a calcium ion with charge +e? Express your answer using two significant figures.
Question 3-6 points (a) Calculate the electric field in a cell membrane with a thickness of 8nm when the membrane potential is-70 mV. (2 points) (b) If a Sodium ion, Na, moves from inside the cell to outside the cell, calculate the change in the ion's electric potential energy. Does it increase or decrease? (2 Points) (e) In one cycle the sodium-potassium pump removes 3 sodium ions from the cell while importing 2 potassium ions, K. What is the total...
PH 142 Total: 25 Due: 02/01/19 at Question 3-6 points (a) Calculate the electric field in a cell membrane with a thickness of 8nm when the membrane potential is -70 mV. (2 points) (b) If a Sodium ion, Na", moves from inside the cell to outside the cell, calculate the change in the ion's electric potential energy. Does it increase or decrease? (2 Points) (e) In one cycle the sodium-potassium pump removes 3 sodium ions from the cell while importing...
Large electric fields in cell membranes cause ions to move through the cell wall. The field strength in a typical membrane is 1.0 times 10^7 N/C. You may want to review What is the magnitude of the force on a calcium ion with charge +e? Express your answer using two significant figures. F= N
7. The electric field in a cell membrane has a magnitude of 1.0 10 N/C. Calculate the magnitude of the force exerted on a Na ion.
Most questions answered within 3 hours.
-
The extent to which assets are financed by borrowed funds and
other liabilities is indicated by:...
asked 50 minutes ago -
Explain in detail
Germany is the fifth largest economy
explain what goods and services Germany specializes...
asked 1 hour ago -
The density of platinum is 21.45 g/mL. If a cube of platinum
with a mass of...
asked 1 hour ago -
Accounts Receivable
Sales
A/R Posting
Extended Sales Invoice
Packing Slip
Compare invoice to packing slip 2...
asked 1 hour ago -
Michaella, age 23, is a full-time law student and is claimed by
her parents as a...
asked 1 hour ago -
Why are polymers not typically casted into products?
asked 1 hour ago -
When rolling a die 129 times, what is the probability of rolling
a 6 no more...
asked 1 hour ago -
4. A call option currently sells for $7.75. It has a strike
price of $85 and...
asked 1 hour ago -
1.
You need to prepare 10.0 liters of an acid aqueous solution with a
pH of...
asked 1 hour ago -
Along an aggregate supply curve, if the level of output is less
than the natural level...
asked 1 hour ago -
By 2025, annual consumption in emerging markets will total $30
trillion and contribute more than ________...
asked 1 hour ago -
At what point does reformation cease to be a viable option for
those who are oppressed...
asked 1 hour ago