This diagram depicts the chemical structure of pyrimidine, a six-membered aromatic ring with two nitrogen atoms at positions 1 and 3 (highlighted in blue). The remaining positions are occupied by ...
Comparison of a single-stranded RNA and a double-stranded DNA with their corresponding nucleobases. (Image: Wikimedia Commons, CC SA 3.0) The most common type of base pairing is the Watson-Crick base ...
The asteroid Ryugu is seen by the Hayabusa2 spacecraft from a distance of 6 kilometers. Credit: JAXA, University of Tokyo, ...
The integrity of DNA and RNA is essential for every cell. DNA contains the genetic information for proteins, while RNA serves ...
Stepping away from its billions-of-years-old role as a genetic blueprint, DNA is now embarking on a new journey as an active ...
On Monday, a paper announcing that all four DNA bases had been found on an asteroid sparked a lot of headlines. But many of the headlines omitted a key word needed to put the discovery in context: ...