Why do phospholipids form a bilayer in water? O The phosphate portions repel each other.
O The hydrophilic and hydrophobic parts attract each other.
O The phosphate portions attract water, and the lipid portions repel water.
O The lipid portions attract water, and the phosphate portions repel water.

C. The phosphate portions attract water, and the lipid portions repel water

Explanation:

The phosphate parts are polar, meaning they're partially charged, so they attract water molecules, which also have partial charges. The lipids are non-polar, so they don't attract water molecules, meaning they can't dissolve in water.

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