ernie's class is about to have a discussion about the book they had to read. many students have already voiced their opinions, so ernie knows the discussion will become lively and he may have a difficult time remembering what everyone will say. in order to keep everyone's responses clear in his mind, ernie needs to

Idk you definitely don’t give me 15 points it say 8.

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.