Cell membranes are mainly composed of 2 layers of

Cell membranes are mainly composed of 2 layers of PHOSPHOLIPIDS.

Cell membranes are composed of lipids and proteins. The most abundant type of lipid found in the cell membrane is the Phospholipids.

Phospholipids are made up of two layers; the outer layer and the inner layer. The inside layer is made up of hydrophobic fatty acid tails while the outer layer is made up of the hydrophilic polar heads that are pointed towards the direction of water.

Hydrophobic means that it hates water while hydrophilic means that it love water.

Phospholipids bilayers make up the plasma cell membranes that regulates movements of substances that can move in and move out of the prokaryotic and eukaryotic cells.

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