Answer: A. The center of the Milky Way
Explanation: The Sun orbits the center of the Milky Way; its gravitational force brings asteroids, planets, and other space objects along. Mercury, Venus, Earth, Mars, Jupiter, Saturn and Uranus orbit the Sun, but not vice versa.
Any theory can be disproven. A theory is simply a hypothesis that has been accepted as generally true, however in the realm of science, anything can be disproven.
If there was no nuclear membrane then the contest of the cell would spill out. and there will be nothing keeping everything together.
Answer:
One beneficial result of a cell having a larger surface area is its ability to cover more area increasing the likely hood of nutrients coming in contact with the cell membrane. Which in turn will increase the rate at which nutrients diffuse through the cell membrane.