RNA is the molecule that reads the genetic information stored in DNA. It's critical for the proper functioning of cells, and in a new study scientists have discovered a way of tagging RNA with a ...

How did viruses evolve? Are they a streamlined form of something that existed long ago, or an ultimate culmination of smaller genetic elements joined together?

Rhinoviruses are the most common cause of the common cold, according to the CDC. These single-stranded RNA viruses belong to the Picornaviridae family and have three types: A, B, and C.

(Illustration: U.S. National Institutes of Health) Adenoviruses are non-enveloped, double-stranded DNA viruses ... Retroviruses are RNA viruses that can reverse transcribe their genome into DNA and ...

The innate immune system is your body's first line of defense against harmful invaders like bacteria and viruses ... sensing triggered by self double-stranded RNA following loss of ADAR1 editing ...

and reproduction of all known organisms and many viruses. DNA is a complex molecule that consists of two strands coiled around each other to form a double helix structure. Comparison of a ...