Technician A Says Ozone Is Both Created and Destroyed by the Action

question 19

Multiple Choice

Technician A says ozone is both created and destroyed by the action of UV radiation on oxygen molecules.Technician B says chlorine is the major gas causing the destruction of ozone.Who is correct?

• A) Technician A only
• B) Technician B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

α-D-Ribofuranose

A sugar derivative where the pentose sugar ribose is in its furanose form (a five-membered oxygen-containing ring) and has a specific orientation (alpha) of the hydroxyl group attached to the anomeric carbon.

Epimers

Stereoisomers that differ in configuration at only one stereogenic center among several.

D-Arabinose

A naturally occurring pentose sugar, which is a component of many polysaccharides and glycoproteins.

D-Xylose

A sugar molecule classified as an aldopentose, which means it has five carbon atoms and contains an aldehyde functional group.