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?

DNA sequencing is a laboratory method used ... which is required to form a link with the next nucleotide in the chain. Since the ddNTPs are randomly incorporated, synthesis terminates at many ...

Transcription begins when an enzyme called RNA polymerase attaches to the DNA template strand and begins assembling a new chain of nucleotides ... as the complementary nucleotide to adenine ...