Physical change. Boiling water does not change the fundamental properties of the water, as it can turn back into water during condensation.
The structure is a phospholipid bilayer. There are many phospholipids which contain a water loving phosphate end and a water hating lipid (fatty) end. The phosphate ends all point out words while the fatty ends are inside.
The purpose is protection of the cell as well as allowing certain molecules to enter and exit the cell
Answer:
What is the question?????
they might conserve water