Which of the following statements about `RNA` is not correct?

Options

A. The `RNA` molecule exists as a single strand of polynucleotide chain
B. The `RNA` molecules are much larger than the `DNA` molecules
C. Messenger `RNA` functions as a template for the synthesis of proteins
D. Transfer `RNA` reads the code of messenger `RNA` and direct a specific amino acid to be placed in the frowing protein chain.

Answer

B

Explanation

In the secondary structure of `RNA`, helixes are involved, but they are nearly always single - stand helixes. These molecules vary a good deal in size some are very large, like `DNA` molecules , other much smaller and containing fewer than a hundred molecules.