And so this is the hydrophobic section that will be found inside the cell interacting with the hydrophobic tails of the other phospholipid molecules. So we see that the spinocine acts as the backbone of attachment for the fatty acid and the carbohydrate component and the spongesine fatty acid component is hydrophobic. And that basically means it stretches across the cell membrane, interacting with the non polar tails of those nearby phospholipids, as we'll see in just a moment in this diagram. Now, the sugar molecule contains the hydroxyl groups and that makes it polar. So that means the sugar molecule will interact with the hydrophilic sections of those phospholipids, the heads, and it will point to the aqueous extracellular environment. So the carbohydrate moiety of this glycolipid will interact with the aqueous extracellular environment.