In "to one in paradise" poe uses apostrophe to a. address abstract powers like hope and time. b. juxtapose his thoughts on love and loss. c. shift the mood from loving to inconsolable. d. summarize his grief for his lost loved one.

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.