AP Biologyeasymcq1 pt
A phospholipid is amphipathic because it has
A.a hydrophilic head and hydrophobic tails
B.two hydrophobic heads
C.only saturated fatty acids
D.a glycerol-free structure
Explanation
Core Concept
The charged phosphate head faces water while the two fatty-acid tails hide from it. This dual nature lets phospholipids self-assemble into bilayers.
Correct Answer
Aa hydrophilic head and hydrophobic tails
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