Respuesta :
The part of the cell membrane that acts as a barrier are the Hydrophobic tails!
Hydrophobic heads
Hydrophilic molecules
- A hydrophile is a molecule or other molecular entity that is drawn to water molecules and is dissolved by them.
- The phosphate group is a hydrophilic, negatively charged polar head. The uncharged, nonpolar tails of the fatty acid chains are hydrophobic.
- Hydrophobic heads acts as a barrier to hydrophilic molecules entering the cell
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