Which of the Following Forms of Oxygen Is/are Generally Toxic

Question

Which of the following forms of oxygen is/are generally toxic to living organisms?
A) superoxide anion
B) hydrogen peroxide
C) hydroxyl radical
D) Superoxide, hydrogen peroxide, and hydroxyl radicals are all toxic.

Accepted Answer

Superoxide anion, hydrogen peroxide, and hydroxyl radicals are all forms of reactive oxygen species that can cause oxidative stress, damage DNA, proteins, and lipids, and induce cell death. Therefore, all of them are generally toxic to living organisms.