What does the P protein made by the OCA2 gene do?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

How many grams of aluminum will there be in 98g of al2o3?

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.