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?

Chances are you've seen an illustration of DNA's double-helix structure and even pictures of the chromosomes that comprise the human genome. But where and how does the famous double helix fit into ...

DNA is a complex molecule that consists of two strands coiled around each other to form a double helix structure. Comparison of a single ... DNA mutations are changes in the nucleotide sequence of the ...

As shown in Figure 2, the 5'-phosphate group of the new nucleotide binds to ... which involved exposing replicating DNA to a short "pulse" of isotope-labeled nucleotides and then varying the ...