A: The enzymes that break down protein include trypsin, chymotrypsin, pepsin, thermolysin, glutamyl endopeptidase, elastase, bromelain and papain. Trypsin, pepsin, elastase, thermolysin, glutamyl, endopeptidase and chymotrypsin are made in the human body. Bromelain comes from pineapples and papain comes from papayas.
Deli Paper is a wonderful and unique paper. It's translucent and very very thin as well as super strong. It's also very cheap! I use it all the time because it's just so versatile. This class is hosted on a private password protected blog and contains six video lessons.
Litmus paper is an indicator used to test whether a substance is acidic or basic. You simply dip the paper in your substance, and it will change colour depending on whether it is acidic or basic. It will go red in an acid and blue in a base. It is a lot of fun to make and is very easy.