The arrangement of phospholipids in the cell membrane would best be described as

  1. One layer made of hydrophilic heads and hydrophobic tails
  2. Bilayer made of hydrophilic heads on the outside and hydrophobic tails on the inside
  3. One layer made of only lipid tails
  4. Bilayer made of hydrophilic heads on inside and hydrophobic tails on outside

📝 Detailed explanation

Cell membranes consist of a phospholipid bilayer with hydrophilic heads facing outward and hydrophobic tails facing inward.
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