(A). Find the electrical potential
V(outside) - V(inside) if R(K) = 1 ohms and R(Na) = 10 ohms
(B). Find the electrical potential V(outside) -
V(inside) if R(K) = 10 ohms and R(Na) = 1 ohms
Note: If possible, an explanation would be greatly appreciated
(A). Find the electrical potential V(outside) - V(inside) if R(K) = 1 ohms and R(Na) =...
Potassium ions (K+) move across a 7.0-nm- thick cell membrane from the inside to the outside. The potential inside the cell is −80.0 mV, and the potential outside is zero. What is the change in the electrical potential energy Δ? electric of the potassium ions as they move across the membrane?
0 Attempt 1 of 22> Potassium ions (K) move across a 9.0-nm-thick cell membrane from the inside to the outside. The potential inside the cell is -70.0 mV, and the potential outside is zero. What is the change in the electrical potential energy AU of the potassium ions as they move across the membrane? AUelectric =1 1.214 ×10-20
Neuron cells generate electrical signals by concentration gradients across membranes. Assuming a potassium ion concentration of 0.00380 M inside the cell, and a concentration of 0.145 M outside the cell, what is the electrical potential across the cell membrane? Body temperature is 310 K. The sign identifies the change in the electrical potential across the membrane and which way the ions flow. (answer in mV) Answer: 696.77 Check Neuron cells generate electrical signals by concentration gradients across membranes. Assuming a...
Neuron cells generate electrical signals by concentration gradients across membranes. Assuming a potassium ion concentration of 0.00300 M inside the cell, and a concentration of 0.115 M outside the cell, what is the electrical potential across the cell membrane? Body temperature is 300 K. The sign identifies the change in the electrical potential across the membrane and which way the ions flow (answer in mV) Answer 04684 Check Neuron cells generate electrical signals by concentration gradients across membranes. Assuming a...
HW 11-1 Recall that the Na + concentration is significantly higher outside the cell than inside the cell. The symporter couples the "downhill" transport of two Na + ions into the cell to the "uphill" transport of glucose into the cell. If the Na + concentration outside the cell ( [ Na + ] out ) is 149 mM and that inside the cell ( [ Na + ] in ) is 19.0 mM, and the cell potential is −...
3. In a cylindrical capacitor, the inside electrode has radius 1 and potential V the outside electrode has radius r2 and potential V2. 0 (a) Derive the Laplace equation la + + = 0 for the electrostatic potential V(z, y, z) inside the dielectric layer (b) Using the cylindrical symmetry, reduce the Laplace equation to an ODE and find the electrostatic potential y9 糺r 의 + and Δu-糺r'W +-GR sin )- 습. La placan in cylindrical and spherical coordinates Δυ-...
Under certain circumstances, potassium ions K++ move across the 8.0-nm-thick cell membrane from the inside to the outside. The potential inside the cell is -80.0 mV, and the potential outside is zero. Assume that a potassium ion carries a charge of 1.602××10−19−19 C. Unit 3: Prelecture Problems Problems: Electric Potential & Capacitor Deadline: 100% until Sunday, January 27 at 11:59 PM ▼ Cumulative Problem 6 Under certain circumstances, potassium ions K+ move across the 8.0-nm-thick cell membrane from the inside...
1. Animal cells have a Na,K pump that couples the energy of ATP hydrolysis to transport 3 Na ions out of the cell and 2 K ions into the cell. Inside astrocytes, the concentration of Na is 20 mM and the concentration of K is 130 mM. The extracellular concentrations of Na and K are 145 mM and 5 mM, respectively. Calculate the energy required for the transport of Na and K , with this stoichiometry; assume that the cell...
4. Using the formula V(r) 1 /TTda , calculate the potential inside and outside a uniformly charged spherical shell of total charge q and radius R A useful formula fo VR-2Rz cos& =[1 Virw-mcosor sine'de'
Find the potential inside and outside a uniformly charged solid sphere whose radius is R and whose total charge is q. Use infinity as your reference point. Compute the gradient of V in each region, and check that it yields the correct field. Sketch V(r)