Phospholipids

what do Phospholipids molecules have

head and a tail

what is the head

Hydrophilic- attracts water

where does the head face

intracellular / extracellular fluid

what is the tail

hydrophobic- it repels water

where does the tail face

point towards each other

what is the centre of the bilayer

hydrophobic

what does the hydrophobic centre do

doesn’t allow water-soluble substances through it

what does the centre act as

a barrier to anything that is not lipid soluble

what can go through the bilayer

fat-soluble vitamins