Question

The following enzymes protect against reactive oxygen species, except Immunoglobulin Catalase Superoxide dismutase Glutathione peroxidase

The following enzymes protect against reactive oxygen species, except

Immunoglobulin

Catalase

Superoxide dismutase

Glutathione peroxidase

Homework Answers

Answer #1

Catalase is a common enzyme found in nearly all living organisms exposed to oxygen (such as bacteria, plants, and animals). It catalyzes the decomposition of hydrogen peroxide to water and oxygen. It is a very important enzyme in protecting the cell from oxidative damage by reactive oxygen species.

Superoxide dismutases (SOD) are a group of enzymes that catalyze the dismutation of superoxide radicals (O2−) to molecular oxygen (O2) and hydrogen peroxide (H2O2), providing cellular defense against reactive oxygen species .

Glutathione Peroxidase (GPx) is a cytosolic enzyme that catalyzes the reduction of hydrogen peroxide to water and oxygen as well as catalyzing the reduction of peroxide radicals to alcohols and oxygen.

ANSWER:

Immunoglobulin

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