Mass balance ensures that the carbon formerly ... By contrast, among vertebrates structural materials such as bones (made of calcium phosphate) account for the majority of an organism's phosphorus ...

Change the medium 1 h before transfection. 2| To prepare the calcium phosphate–DNA coprecipitate, combine 100 μl of 2.5 M CaCl 2 with 25 μg of plasmid DNA in a sterile 5-ml plastic tube and ...