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Which 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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