The phospholipid bilayer is a universal component of all cell membranes. Each phospholipid molecule has a hydrophobic(water repelling) and a hydrophilic( attracted to water) end. This allows the phospholipids to arrange themselves in a way that makes a cell membrane not able to dissolve in water. The bilayer is also semi-permeable which allows only certain molecules to enter the cell.
hope this helps
Answer: c
Explanation: because it helps by excreting
Answer:
To help organize data and record information
The stomach is the correct answer it is lined with an digestive enzyme called pepsin.