What is irony of a story

Irony is a storytelling tool used to create a contrast between how things seem and how they really are beneath the surface.

When irony presents itself in a story, it usually means that what appeared to be happening on the surface, is in fact, the opposite of what actually happened.

I've actually never heard of the guy. but, atleast he doesn’t rap/sing about drugs and girls, but he still have a very high view of himself, which could possibly cause annoyance

Okay, biology isn't exactly my strongest subject (it never has been), but i'm pretty sure the answer is nucleotides. dna is made up of nucleotides. each nucleotide contains a phosphate group, a sugar group, and a nitrogen base. there are four different nitrogen bases: adenine (a), thymine (t), guanine (g), and cytosine (c). a always pairs with t, and g always pairs with c.