What was a major result of the european policy of mercantilism in latin america?

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.