Illustration of a chromosome and chromatin unwinding. The chromatin is unwound progressively, showing the nucleosomes , followed by the double DNA...
Illustration of DNA localisation and structure in eukaryotes and prokaryote . DNA from both cells unwinds to reach the DNA double helix which...
Illustration of the DNA molecule and its components. DNA is made up of two strands, a nucleotide chain and a complementary chain, each one made up of...
In 1874 Emil Fischer discovered the first hydrazine base, phenylhydrazine, but he is famous for his studies of the purines and the sugars, conducted...