16. Nitrogenous bases in DNA and RNA? A.Adenine B.Cytosine C.Guanine D.All the above
Answer: Option D Solution: The five-carbon sugar ring and the content of the nitrogenous base between DNA and RNA are slightly different from each other. Four different types of nitrogenous bases are found in DNA: adenine (A), thymine (T), cytosine (C), and guanine (G). In RNA, the thymine is replaced by uracil (U).
