The Austrian biochemist, Erwin Chargaff, is famous for the two rules he discovered that now bear his name. At the time of this discovery, in 1950, the biggest problem in biology was understanding the ...
Deoxyribonucleic acid (DNA) is the genetic material found in the chromosomes of all animals and plants. It is made up of only four types of organic nitrogenous bases: adenine (A), guanine (G), thymine ...
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