that the DNA molecule exists in the form of a three-dimensional double helix. More than 50 years passed before the significance of Miescher's discovery of nucleic acids was widely appreciated by ...

DNA is fundamental to the biology of all life on Earth, but how many of us actually know what it is or what it's made of?

In the late nineteenth century, a German biochemist found the nucleic acids, long-chain polymers ... many proteins take the shape of an alpha helix, spiraled like a spring coil.

Nucleic acids are complex biological molecules that store and transmit genetic information in all living organisms. They are essential for the survival and reproduction of life on Earth. The two main ...