Which of the following statements comparing DNA and RNA is correct?
A)DNA exists as a double helix of DNA chains; RNA is single stranded.
B)RNA exists as a double helix of RNA chains; DNA is single stranded.
C)Both DNA and RNA exist as a double helix.
D)Both DNA and RNA are single stranded.

Question

Quizplus · Accepted Answer

DNA exists as a double helix of two complementary chains, while RNA is usually single-stranded. This is a fundamental difference between these two nucleic acids.

Which of the Following Statements Comparing DNA and RNA Is