Choose all of the statements that apply to a plasma membrane (aka cell membrane)

Question

Which one's are correct?

1. is a 2-D fluid
2. contains cholesterol and proteins
3. contains a lipid bilayer of phospholipids
4. water cannot diffuse freely across the membrane
5. charged molecules cannot enter or leave the cell EVER
6. glycolipids remain restricted to one side of the lipid bilayer
7. the asymmetry of glycolipids is determined by flippases

Answer 1

2 is correct. What do you think about the rest of them?