Question

multiple choice question
which enzyme converts hydrogen peroxide, formed in aerobic respiration, to water and oxygen?
dismutase
polymerase
catalase

Explanation:

Catalase is an enzyme that specifically catalyzes the decomposition of hydrogen peroxide (\(H_2O_2\)) into water (\(H_2O\)) and oxygen (\(O_2\)). The reaction is \(2H_2O_2
ightarrow 2H_2O + O_2\). Dismutase (e.g., superoxide dismutase) acts on superoxide radicals (\(O_2^-\)), not directly on hydrogen peroxide. Polymerase is involved in processes like DNA or RNA synthesis (e.g., DNA polymerase synthesizes DNA strands), and has no role in hydrogen peroxide breakdown.

Answer:

C. Catalase