Enzymes are proteins that can change shape and therefore become active or inactive. An activator molecule (green pentagon) can bind to an enzyme (light green puzzle shape) and change its overall shape ...

These are lessons developed by SEP to teach various biotechnology skills and concepts from gel electrophoresis, polymerase chain reaction (PCR), bacterial transformation, and enzyme-linked ...

Researchers defined the structure of a substrate-bound iron 2-oxoglutarate (Fe/2OG) enzyme to explore whether these enzymes could be used to create a wide array of molecules. They saw that Fe/2OG ...

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 ...