The invention of the microscope allowed the first view of cells. English physicist and microscopist Robert Hooke (1635–1702) first described cells in 1665. He made thin slices of cork and likened the boxy partitions he observed to the cells (small rooms) in a monastery.
Answer:food undergo a chemical reaction by bond breaking example for starch to amylose is hydrolysis reaction where there is breaking of 1,4 glycosidic bondd