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 ...

These acted like anchors. They then added specially designed DNA pieces that folded into eight-sided shapes called ...

Among the many marvels of life is the cell's ability to divide and thus enable organisms to grow and renew themselves. For ...