Curated OER
Chymosin Demonstration
High schoolers perform a demonstration which provides an example of the use of a protein produced by biotechnology for making ice cream, custard, and cheese.
BiologyWise
Biology Wise: Rennin (Enzyme)
Explains how rennin is produced and why it is important in the human body. Describes some other uses of rennin and how it is sometimes confused with a different enzyme named renin.