Moderate
The major driving force for formation of membrane lipid bilayer is____________?
Correct answer: B. Hydrophobic interactions
- A. Hydrogen bonding
- B. Hydrophobic interactions
- C. Vander wall forces
- D. Not known
Explanation
Membrane phospholipids spontaneously form bilayers because their nonpolar hydrocarbon tails avoid water while their polar heads interact with it. This hydrophobic effect is stronger than hydrogen bonding or van der Waals forces as the main driving force.
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