Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

Which statement best explains the amphipathic nature of phospholipids?
Options
A They have both hydrophilic heads and hydrophobic tails
Correct Answer
B They are entirely hydrophilic
C They are neutral molecules
D They are used only in plant membranes
Correct Answer

Option A is the correct answer.

Detailed Explanation

Phospholipids have a hydrophilic ('water-loving') phosphate head and two hydrophobic ('water-fearing') hydrocarbon tails. This amphipathic structure is fundamental to the formation of lipid bilayers in cell membranes.

Hint

Their structure has two distinct parts with opposite affinities for water.

Question Info