The plasma membrane is described as a fluid mosaic. It is like a fluid because all the phospholipids can move and float around. How is it like mosaic? (Need help? Search "mosaic" and then think back to the pictures of the membrane...how doe sit look?)

Which process of living things produces water that enters the water cycle

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?

What kinds of molecules can pass through the cell membrane without any problem?