Imagine a cell with a plasma membrane permeable to K+ but not Cl-. At the start of the experiment there is 10 milliMolar (mM) KCl outside and 100 mM KCl inside. Explain your answers. a. At equilibrium will the concentration of K+ be equal on both sides of the membrane? b. At equilibrium will the bulk solution on the outside have a net negative charge? c. At equilibrium, will the inside surface of the plasma membrane be positive or negative?

Me brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula.5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects.8. describe the planets’ orbits around the sun.9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets.13. what causes the seasons?