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← ScienceWhich mechanism inhibits complete protein folding in crowded cellular environments?
A)Macromolecular crowding sterically hinders folding✓
B)Hydrophobic collapse accelerates misfolding events
C)Chaperone proteins induce disulfide bridges
D)Aggregation kinetics follow zero-order reactions
💡 Explanation
High concentrations of biomolecules cause macromolecular crowding effect where steric hindrance opposes optimal protein conformation, because protein folding requires both local and global rearrangements; therefore steric hindrance limits the final native state, rather than acceleration or alternative bonding configurations.
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