Lab Techniques


How is genomic DNA extracted?

Scientists and researchers can extract the genomic DNA from a sample of blood, a mouth swab, or a water bottle someone was drinking from. If we took a sample of blood and wanted to extract the genomic DNA w...

What is a restriction enzyme

This image is a cartoon rendition of the EcoRI restriction enzyme. Two catalytic magnesium ions are shown as magenta spheres and are adjacent to the cleaved sites in the DNA made by the enzyme (depicted as gap...

How is blood pressure measured in small animals?

  How is it that pharmaceutical companies can develop drugs for humans that lower their blood pressure? Drugs like Lipitor, Levacor, Zocor, and other blood pressure reducing drugs were all tested fi...