Molecular Basis of Inheritance Question 18
18. Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it? [2008]
(a) Thymine, Uracil
(b) Uracil, Cytosine - Pyrimidines
(c) Guanine, Adenine - Purines
(d) Adenine, Thymine - Purines
Show Answer
Answer : d
Hints & Solution
(d) Purine is an organic nitrogenous base sparingly soluble in water, that gives rise to a group of biologically important derivatives, notably adenine and guanine, which occur in nucleotides and nucleic acids (DNA and RNA).
