With Reference to Reactive Oxygen Species (ROS), Which of the Following

question 9

Essay

With reference to reactive oxygen species (ROS), which of the following statements, if any, is false?
a) ROS are an inevitable consequence of the chemical reactions that occur in cells and are formed by the incomplete one-electron reduction of oxygen.
b) Common examples of ROS include hydrogen peroxide (H₂O₂), superoxide anions (O₂^-) and hydroxyl radicals (OH^.).
c) ROS are generated in different intracellular compartments, but notably in mitochondria.
d) ROS are functionally valuable: they play important roles in both intercellular and intracellular signalling.

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Definitions:

Potassium-40

A radioactive isotope of potassium used in dating geological materials, as it decays into argon-40 over a known period of time.

Carbon-14

A radioactive isotope of carbon used in dating organic materials and archaeological objects through radiocarbon dating methods.

Carbon-12

A stable isotope of carbon with six protons and six neutrons, used as a standard in atomic mass units.

Indicates

Points out, shows, or is a sign of something; often used to specify an important relationship or evidence in a given context.