The structure of DNA can also be described as a ladder. The chemical backbones of the ladder are made up of sugar and phosphate molecules that are connected by chemical bonds. The rungs of the ...

The building blocks of DNA have been found in samples returned to Earth from an asteroid, suggesting life rained down from ...

Whether it is a microbe, a rose, or a dolphin, any form of life gets its building and operating instructions from the molecule of life, DNA. DNA comprises the genes and chromosomes that govern the ...

DNA has a ladder-like structure, and normally, bases on one side of the ladder pair with a partner on the other side, linking up in the middle to form the ladder's rungs. Adenine pairs with ...

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 ...