When you’re low, you may experience adverse symptoms like a headache, dehydration, or mental confusion. Here’s how to tell if ...

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 ...

But calcium shows up in lots of other stuff too. For example, the hard part of your bones and teeth is made from calcium connected to a chemical called “phosphate”. Together, they make the substance, ...