After electrophoresis separates the DNA, the next challenge is making the invisible visibl...
A band on a gel tells you where your DNA ended up, but without a reference it tells you no...
DNA does not move through a gel by chance. It moves because every phosphate group in its b...
To separate DNA fragments by size, you need a molecular obstacle course, and agarose gel p...
PCR applications explained reveals a technology that has moved far beyond the research lab...
Thirty cycles of heating and cooling. One target sequence. Over a billion identical copies...
The enzyme that makes PCR possible was discovered not in a laboratory but in a boiling hot...
With the DNA strands separated, the next challenge is directing the polymerase to exactly ...
Every PCR cycle begins with a moment of controlled molecular destruction: the double helix...