Give me an example of a conclusion (:

In the end/in conclusion , I would like to say that ...( write in dependence of the subject, the conclusion is usually saying what the first sentence of your essay says, just in another way)

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.