Answer:
The tails
Explanation:
The tails of the layer reject water, making it harder for things to get in and out of the cell
All matter whether solid, liquid, gas has a chemical formula or elemental symbol.
Filtration may work, there are many types of filters capable of filtering specific types if compounds.
Centimeter because it is the only metric measurement
Without those parts, the cell wouldnt be able to perform its basic function and thus die