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.
We are researching the differences between starches and flours for our starch vs flour segment, potato was first up now it is cornflour (the starch) vs maize flour. The first thing to clarify here is that the naming conventions for corn starches and flours differ markedly between the UK, US and Australia. Cornflour in Australia and the UK is the same as cornstarch in the US. Also in Australia we have cornflour made from wheat so make sure youa are buying the corn version. What we in Australia call maize flour is the same as the USâs cornflour or more commonly used, cornmeal.