Real-world.amplifiers differ from their ideal counterparts State the 5 most important performance differences for real-world amplifiers. Be specific to get credit. Q3. Answer the following questions regarding the electrical activity of cells. (a) (4%) What is the Resting Membrane Potential (RMP) and how does a skeletal muscle cell maintain it? What is the typical RPM value for a skeletal muscle cell? (b) (4%) Is the intracellular concentration of sodium ion [Na+] higher or lower than the extracellular concentration in a skeletal muscle cell? Circle the correct statement. a). [Na+] higher inside than outside (b)/[Na+] lower inside than outside c). [Na+] is the same inside and outside d). Na+ ions are not present (c) (4%) What does the Nernst equation describe? (d) (4%) How is the Nernst equation modified into the Goldman's equation? What does the Goldman's equation describe? (e) (4%) What is the origin of osmotic pressure across cell membrane?