Membrane Fluidity and Temperature Adaptation
Bacterial Species A is adapted to live at 4°C, whereas Species B is adapted to live at 37°C. To maintain optimal membrane fluidity, which lipid composition would be expected in Species A relative to Species B?
A
Higher proportion of saturated fatty acids
B
Higher proportion of unsaturated fatty acids
C
Shorter fatty acid chains with more double bonds
D
Equal proportions of cholesterol and phospholipids
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