Phospholipid heads are negative and attracted to water is not true about the cell membrane.
The most abundant lipids in cell membranes are phospholipids, molecules that are characterized by having a hydrophilic head attached to the rest of the lipid through a phosphate group and two long hydrocarbon chains.
Amphipathic molecules like phospholipids, are subject to two opposing forces, the hydrophilic head is attracted to water, while the hydrophobic tails reject water and tend to aggregate with other hydrophobic molecules.
This is precisely solved with the formation of a lipid bilayer, which satisfies both parties and is advantageous from an energy perspective.
In this way, the hydrophilic heads are exposed to water on both surfaces of the sheet of molecules, while the hydrophobic tails are protected from water and are located one next to the other inside.
Therefore, we can conclude that phospholipid heads are negative and attracted to water is not true about the cell membrane.
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