What Is the CNO Cycle

question 11

Multiple Choice

What is the CNO cycle?

• A)the set of fusion reactions that have produced all the carbon, nitrogen, and oxygen in the universe
• B)the process by which helium is fused into carbon, nitrogen, and oxygen
• C)the process by which carbon is fused into nitrogen and oxygen
• D)a set of steps by which four hydrogen nuclei fuse into one helium nucleus

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Definitions:

D-Ribose

A naturally occurring monosaccharide with the formula C5H10O5, important as a component of RNA and various biochemical pathways.

D-Aldopentose

A type of aldose sugar with five carbon atoms and has the D-configuration, which relates to the configuration of the hydroxyl group on the last asymmetric carbon atom.

Kiliani-Fischer

A chemical synthesis method used to elongate the carbon chain of sugars.

Aldohexoses

A class of monosaccharides that contain six carbon atoms and an aldehyde functional group.