What characteristic of amphipathic molecules allows them to form bilayers in aqueous environments?

• A. Their hydrophilic heads and tails both interact with water.
• B. Their hydrophobic heads interact with water while hydrophilic tails avoid water.
• C. Their hydrophilic heads interact with water while hydrophobic tails avoid water.
• D. Their hydrophobic heads and tails both avoid water.

Answer: (C)