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← ScienceWhich destabilizing consequence occurs to siRNA at elevated temperatures?
A)Hydrogen bond disruption✓
B)Increased base stacking
C)Enhanced phosphate backbone rigidity
D)Increased hydrophobic interactions
💡 Explanation
Increased thermal energy disrupts hydrogen bonds between complementary base pairs, because siRNA stability depends on maintaining these interactions; therefore, the strands separate, rather than remaining annealed due to stronger base stacking under different conditions.
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