Q.

Some viruses have RNA but no DNA. This would indicate that –

A. these viruses cannot replicate
B. these viruses have no heritable information
C. RNA transmits the hereditary information in these viruses
D. their nucleic acids can be crystallised
Answer» B. these viruses have no heritable information
Explanation: DNA is an informational molecule encoding the genetic instructions Along with RNA and proteins, it is one of the three major macromolecules that are essential for all known forms of life. Genetic information is encoded as a sequence of nucleotides (guanine, adenine, thymine, and cytosine) recorded using the letters G, A, T, and C.
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