The membrane potential typically moves
During an AP, the membrane potential typically moves from -70mV to +20mV and back again. In a cell with 10um radius and 1uF/cm^2, how many charges need to move across the membrane (and back again) to get this 90 mV voltage fluctuation?
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An Industrial water shutoff valve is designed to operate with 30lbs of force and will encounter 200lbs of resistance force applied to a 1.5in diameter axle. What is the required actual mechanical advantage of the system?
Two slender rods of negligible weight are pin-connected at A and attached to the 18-lb block B and the 80-lb block C as shown. The coefficient of static friction is 0.55 between all surfaces of contact. Determine
A micrometer caliper is used to measure the diameter of a bolt and a reading of 0.768 inches is obtained. Based on this measurement, find the smallest possible diameter and the largest possible diameter.
A wheel barrow is used to lift a 200 lb load. The length from the wheel axle to the center of the load is 2 ft. The length from the wheel and axle to the effort is 5 ft. 5. What is the ideal mechanical advantage of the system?
Consider some hypothetical X+ - Y - ion pair for which the equilibrium interionic spacing and bonding energy values are 0.38 nm and - 6.22 eV respectively.
A point charge Q is located at (0,-4,0) while a 10nC charge is uniformly distributed along a semicircular ring as shown in Fig. 4.25 (semi circle in the xy plane from x= -2 to x =2, y=2) Find the value of Q such that E(0,0,0) =0.
A simple U-tube manometer is installed across an orifice meter. the manometer is filled with mercury(specific gravity 13.6), and the liquid above the mercury is carbon tetrachloride (specific gravity 1.6).
Rayleigh Scattering. Calculate the % increase is attenuation due to Rayleigh scattering exhibited by light having a free-space wavelength 1535 nm as compared to light having a free space wavelength 1550 nm. Provide your answer in units of [%]
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult