7.
A:
Ligated DNA, Adenosine monophosphate, Nicotinamide mononucleotide
B:
Ligated DNA, Adenosine monophosphate, Pyrophosphate
C:
Ligated DNA, Nicotinamide mononucleotide and Pyrophosphate
D:
Ligated DNA, Pyrophosphate and inorganic phosphate
The answer is: A