Cell division is necessary for an organism to

Organisms need cell division to survive and multiply. The main goal of cell division is to make more cells. For example, most of the cells in the human body are somatic cells and divide regularly. This cell and tissue turnover is important for the organism's health and growth.

idk but if i had to take an educated guess i’d say a c d

Some of her  assignments would be creation of drugs. she is a medical chemist after all so she'd need to have the necessary knowledge to make medicine which can later be sold in a pharmacy