I’m chapter three of mercians jospeh feels confused about the way things happened at the court house which is the best revision of this sentence using academic vocabulary?

In chapter three of the book "Mercians", Joseph is bewildered at the way the proceedings occurred at the courthouse.

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.