What have we learned about RNA structure and function so far? Although RNA is a single-stranded molecule, researchers soon discovered that it can form double-stranded structures, which are ...

Bioluminescent luciferase enzymes have historically been too dim to use as probes in living tissue. But recent advances have ...

But various combinations of those four bases -- say, A A C G G A C T T A and so on, for thousands of "letters" -- can spell ... known as messenger RNA, makes a copy of the gene sequence and ...

DNA is essentially a storage molecule. It contains all of the instructions a cell needs to sustain itself. These instructions are found within genes, which are sections of DNA made up of specific ...