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B1.1 Phospholipids
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Total cards: 6•Content version: v3•Public deck•Updated: 8/1/2026
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#1
Front (Question)
What is the structure of a phospholipid?
Back (Answer)
Glycerol backbone + 2 fatty acid tails + phosphate group (often with nitrogen compound).
#2
Front (Question)
What makes a phospholipid amphipathic?
Back (Answer)
Hydrophilic phosphate head + hydrophobic fatty acid tails.
#3
Front (Question)
What structure do phospholipids form in water?
Back (Answer)
A phospholipid bilayer with hydrophobic tails inward, hydrophilic heads outward.
#4
Front (Question)
How do saturated vs. unsaturated tails affect the membrane?
Back (Answer)
Unsaturated (kinked) tails → ↑ fluidity; Saturated (straight) tails → ↓ fluidity.
#5
Front (Question)
Why is the phospholipid bilayer important?
Back (Answer)
Forms the cell membrane, providing a semi-permeable barrier.
#6
Front (Question)
Keywords
Back (Answer)
amphipathic, hydrophilic, hydrophobic, bilayer, membrane fluidity, saturation.