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← ScienceWhich mechanism causes increased fluidity in biological membranes when temperature increases?
A)Increased kinetic energy of lipids✓
B)Protein denaturation inhibits regulation
C)Cholesterol stiffens lipid monolayers
D)Hydrogen inhibits phospholipid interactions
💡 Explanation
Increased temperature boosts the kinetic energy of phospholipid molecules, prompting increased fluidity, because Van der Waals forces weaken causing faster movement; therefore, fluidity increases rather than membrane stiffening because those processes involve distinct mechanisms.
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