Medical Definition of KILOGRAM. 1. : the base unit of mass in the International System of Units that is equal to the mass of a prototype agreed upon by international convention and that is nearly equal to the mass of 1000 cubic centimeters of water at the temperature of its maximum density.2.. : the base unit of mass in the International System of Units that is equal to the mass of a prototype agreed upon by international convention and that is nearly equal to the mass of 1000 cubic centimeters of water at the temperature of its maximum density. 2.
Discard the water layer, which contains the aspirin or acetominophen) and evaporate the chloroform layer to dryness under gentle heat. The result is codeine base, a white crystalline powder. Combine 20 mL pyridine and 25 mL conc. HCl in a beaker and heat strongly to 190C to drive off any water.
Adenine is one of the four bases found in both DNA and RNA. These four bases are necessary for life. Adenine base pairs with thymine in DNA and uracil in RNA.These bases are â¦ called nitrogenous bases.denine is a purine derivative and one of the four constituent  bases of nucleic acids. Its chemical formula is C5H5N5. Edit. Share to: 1  5 Popular Protein Skimmer Reviews A protein skimmer is a device that filters microorganisms from the water in an aquarium.