Is it possible for a nitrogen atom to change into an oxygen atom? If so, how?

The nitrogen atom of an amine may be contained in a ring, a common feature of Nitrogen or oxygen atoms are the most common targets for protein methylation.

Explanation:

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.