Which excerpt from "Foreign Lands" contains a metaphor? The dusty roads go up and down
With people tramping in to town.
I saw the next-door garden lie,
Adorned with flowers, before my eye
I held the trunk with both my hands
And looked abroad on foreign lands.
I saw the dimpling river pass
And be the sky's blue looking-glass;

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.

A: become a alien but sound like a human