Answer :
There are four different DNA
nucleotides, each defined by a specific nitrogenous base: adenine (often
abbreviated "A" in science writing), thymine (abbreviated "T"), guanine
(abbreviated "G"), and cytosine (abbreviated "C")
You didn't include a picture so I don't know if this is exactly the answer.
You didn't include a picture so I don't know if this is exactly the answer.