A hypothesis is a tem porary working explanation or conjucture, commonly based upon accumulated data, which suggests some general principle, for eg; Schleiden (1838) proposed that cell is the structural and functional unit of life.
The sequence of growth and division of a cell, and consists of a series of biological processes, particularly the resting phase (G0), the interphase (G1, S, G2), and cell division (i.e. mitosis and cytokinesis)