The trees were tall and the ground was very dry. The vines from the tree were long. It was difficult to see through the vines- improve this paragraph using pollysballic words and introducing a character using show not tell

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.