Question

What part of a phospholipid is nonpolar?

Answer 1

lipid part is non polar because it is hydrophobic

Answer 2

Thanks! Can you help me with a couple more?

Answer 3

of course

Answer 4

What type of molecules interact with water, polar or nonpolar?

Answer 5

polar, because water is polar ( the dipole moment of two HO bond do not cancel, unlike in the CO2 molecule)

Answer 6

Where does a cell membrane come in contact with water?

Answer 7

on the phosphate group, because phosphate group is hydrophilic

Answer 8

Thanks!

Why do the phospholipids surrounding the cell form a bilayer?

Answer 9

phosphate contact water and lipid does not when this bilayer is formed

Answer 10

I don't follow...

Answer 11

Oh okay. Thanks!