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← ScienceWhich outcome results when an inhibitor impairs catalase?
A)Hydrogen peroxide accumulates in the cell✓
B)Oxygen production rate will rapidly increase
C)Water is broken down to hydrogen
D)Ethanol is metabolized into acetaldehyde
💡 Explanation
When catalase is inhibited, cellular hydrogen peroxide builds up because it cannot be broken down into water and oxygen via enzyme catalysis; therefore H₂O₂ will accumulate, rather than being converted, and rather than directly changing ethanol metabolism at that specific location.
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