A Research Group Reported That Transgenic Mice Overexpressing the Human

question 3

Multiple Choice

A research group reported that transgenic mice overexpressing the human catalase gene in mitochondria have a 5-month increase in median lifespan.What is the substrate and the coenzyme for the human catalase enzyme, respectively?

• A)Superoxide anion; ATP.
• B)Hydrogen peroxide; heme.
• C)Organic peroxy radicals; thiamine pyrophosphate.
• D)Hydroxyl radicals; flavin mononucleotide (FMN).
• E)Coenzyme Q; NADH.

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Definitions:

Silver Acetate

A chemical compound with the formula AgC2H3O2, used in plating and as a photographic agent.

NaCl

Sodium chloride, commonly known as table salt, an ionic compound consisting of sodium and chloride ions.

AgCl

Silver chloride, a white crystalline solid that is photosensitive and less soluble in water.

Spectator Ions

Ions that are present in a chemical reaction but do not participate in it, remaining unchanged throughout the reaction.