Question

127. Which is wrong about nucleic acids?
(a) DNA is single stranded in some viruses.
(b) RNA is double stranded occasionally.
(c) Length of one helix is 45 Å in B-DNA.
(d) One turn of Z-DNA has 12 bases​

Answer 1

Answer:

Option (a).

Explanation:

Because viruses do not have DNA, so there is no option of single or double strand.