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← ScienceWhich outcome impairs polypeptide folding when excessive heat breaks stabilization?
A)Protein amino acid structural denaturation✓
B)Increased hydrophobicity interior solvation
C)Enzyme cofactor binding amplification
D)Enhanced disulfide bridge polymerization
💡 Explanation
Protein denaturation arises because thermal energy disrupts hydrogen bonds within the secondary and tertiary structures, unfolding the polypeptide via structural denaturation. Therefore, the protein loses its native conformation rather than becoming more stable or functional because cofactor binding requires an intact structure.
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