Photograph of four test tubes with different bacteria cultures distinguished using lysine iron agar slant test, 1961. Image courtesy CDC/Dr. Edwards.
Lithograph by Julien Leopold Boilly of the French chemist Nicolas Louis Vauquelin . Vauquelin discovered Potassium dichromate in 1797 during the...
Myoglobin is a protein related to haemoglobin, consisting of one polypeptide chain and haem group compared to haemoglobin's four polypeptide chains...