A single gene that regulates testosterone levels in a "crazy" species of shore bird controls the development of three wildly ...

VOICEOVER: Enzymes of the digestive system. Three key types of enzymes in different parts of our digestive system help break down the food to provide the energy our body needs to grow and repair.

VOICEOVER: Enzymes of the digestive system. Three key types of enzymes in different parts of our digestive system help break down the food to provide the energy our body needs to grow and repair.

How, though, would a DNA-degrading enzyme distinguish between the two? Arber hypothesized that bacterial cells might express two types of enzymes: a restriction enzyme that recognizes and cuts up ...

A single gene that regulates testosterone levels in a "crazy" species of shore bird controls the development of three wildly different types of males ...

A platform to engineer enzymes responsible for the formation of amide bonds as an effort toward developing biocatalysts for green chemistry. Amide bonds — a type of chemical bond formed between a ...

Scientists believe they have found a reliable way to transform donor blood into the universal type needed for safe, emergency blood transfusions. The discovery is enzymes from gut bacteria that ...