Which of the following statements about DNA is not correct ?

Options

A. It has double helix structure
B. Adenine forms hydrogen bonds with thymine and cytosine forms hydorgen bonds with guanine
C. The two strands in a DNA molecule are not complementary to each other
D. It contains the pentose sugar, 2-deoxyribose

Answer

C

Explanation

I.j DNA has a double helix structure.
II. Adenine form hydrogen bond with thymine (A = T) and cytocine form hydrogen bond with guanine (C `equiv` G).
III. The two strands in DNA molecules are complementary to each other.
IV. DNA strand contains pentose - 2 - deoxyribose sugar.
Thus, option (C ) is incorrect.