Enzymes that cut DNA at specific sites are called endonucleases; these enzymes play many roles in genomic replication, fidelity, and defense. The initial discovery of restriction endonucleases in the ...

Molecular cloning relies on two key components to construct recombinant DNA: 1) a DNA vector and 2) one or more DNA fragments containing the gene(s) of interest (GOI). To produce a GOI fragment, DNA ...

Developments in molecular diagnostics have been vital in discovering novel pathogens and diagnosing many human diseases. The recent coronavirus 2019 (COVID-19) pandemic, caused by severe acute ...

In September 1970, Janet Mertz joined the biochemistry department at Stanford University. She was one of only six new graduate students in the department and the first female one admitted in nine ...

Digestive enzymes are found in the digestive system, including the mouth, stomach, and small intestine. They help you break down food and absorb nutrients. Sometimes, the body cannot make enough ...