Ribonucleic acid (RNA) is a linear molecule composed of four types of smaller molecules called ribonucleotide bases: adenine (A), cytosine (C), guanine (G), and uracil (U). RNA is often compared ...

Scientists have discovered that some tiny segments of RNA thought to be junk instead have a functional role in suppressing ...

RNA molecules are an integral part of the human ... such as the replacement of a letter -- can completely change the meaning of a word or the entire sentence. Just as the word "bat" becomes ...

RNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence, duyring the process of transcription. As complex molecule composed of protein subunits, RNA ...