This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
On complete hydrolysis of DNA, we will get all following except: 
Select and explain. 
A. Adenosine, B. Purine base, C. Phosphoric acid, D. Dexose pentose sugar
A: Adenosine
Answer: A: Adenosine 
Explanation: A i.e. Adenosine- Nitrogen base + sugar = Nucleoside - Adenosine is a nucleoside composed of ?- Nucleoside + phosphate = Nucleotide - Adenine (Nitrogen base)- Nucleotides linked together by. 3' 5' - Ribose (Pentose sugar)phosphodiester bond = Nucleic acid. - On complete hydrolysis, Adenosine should yield the above two component individually.