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← ScienceWhich outcome results from polypeptide chain misfolding because of disrupted hydrophobic interactions near transmembrane alpha-helices?
A)Aggregation and plaque formation result✓
B)Secondary structure promotes chain refolding
C)Chaperone proteins increase degradation
D)Increased proteasomal activity restores folding
💡 Explanation
Aggregation and plaque formation occur due to exposed hydrophobic amino acids promoting intermolecular interactions through hydrophobic collapse, rather than proper folding promoting correct interactions, because secondary structures and chaperone functionalities are overwhelmed; therefore, pathological aggregation ensues.
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