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Which constraint occurs during polypeptide folding if hydrophobic residues cannot properly coalesce, impacting hydrogen bonds?

A)Impaired protein tertiary structure
B)Increased alpha helix formation
C)Accelerated disulfide bridge crosslinking
D)Enhanced hydrophilic residue exposure

💡 Explanation

Improper interactions prevent stabilizing hydrogen bonds, leading to impaired structures, because aggregation drives hydrophobic collapse. Without this collapse, key structure-stabilizing hydrogen bonds cannot form; therefore, tertiary structure integrity diminishes rather than other secondary structure enhancements.

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