Next to the gene is the promoter. You may know the promoter already as the region where RNA polymerase binds to initiate transcription. Not all promoters have the same DNA sequence, even though RNA polymerase binds at all promoters.
February 16, 2016. Plaster of Paris is a wonderful art medium that is easy to use for creating things from moulds and free form artwork. It's a powdered substance that becomes a pourable mixture when combined with water. The mixture is light and thin enough that it fills in even the finest details on the mould.
A large metal soup spoon. Note: The proper mixing of plaster of Paris is of the utmost importance. It is the. essence of successful mould making. If the plaster is improperly made, the plaster may. harden too rapidly, may flake, or may form air bubbles on its surface. Follow the. procedure below exactly and carefully.