An overloading of the gel with a soluble protein creates a semicircular band of this protein (e. g. in the marker lane of the image at 66 KDa), allowing other proteins with similar molecular weights to be covered.
Like arrowroot, tapioca also comes from the root of a plant, however, in this case it is the root of the Cassava plant. It is ground into powdered form and is often referred to as tapioca flour.
The starch is then filtered and ground to powder. Cornstarch is usually made from genetically modified corn and is extracted by a harsh chemical process. You can buy non-GMO cornstarch but it will be more expensive. For me, arrowroot powder is the healthier choice and I use it more often. If itâs new to you, here are some ways to cook with arrowroot powder.