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← ScienceWhich consequence results when a protein molecule folds incorrectly in a cell?
A)Activation of programmed cell death✓
B)Increased rate of DNA replication
C)Enhanced protein synthesis efficiency
D)Improved cellular waste recycling pathways
💡 Explanation
When a protein misfolds, the unfolded protein response (UPR) is activated because endoplasmic reticulum stress increases, leading to activation of apoptotic pathways if misfolding is severe. Therefore, activation of programmed cell death results, which is preferable to replication, altered synthesis, or expedited waste recycling, since these would require a functioning protein.
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