Combine the two sentences by changing the italicized words into an adverb clause. my uncle has a bowling ball. he seldom uses it.

My uncle has a bowling ball, yet he seldom uses it.

My uncle has a bowling ball, although he  seldom uses it.

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.

Bis the answer hope this