WE wish to suggest a structure for the salt of deoxyribose nucleic acid (D.N.A.). This structure ... Both chains follow right-handed helices, but owing to the dyad the sequences of the atoms ...

Scientists have long wondered why life exclusively uses left-handed amino acids, and a groundbreaking NASA study has just made this puzzle even more intriguing. In a surprising twist, researchers ...

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 ...

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 ...