Compléter Complete the text: The cellVersion en ligne In this activity the students will have the opportunity to show what they know about the cells in general. par nahomy luis galvan 1 parent material membrane nutrition molecules prokaryotic nucleus protozoa membrane The cell is the fundamental unit of living beings that contains all the necessary to maintain vital processes such as growth , and reproduction . It comes in a variety of shapes , sizes , and functions . Cells are classified into and eukaryotic cells . Prokaryotic cells are characterized by not having a defined nucleus inside , while eukaryotic cells have their nuclear content within a . There are organisms such as bacteria and made up of a cell ( unicellular organisms ) . The more complex multicellular or multicellular organisms are made up of a greater number and diversity of cells . It is believed that all cells evolved from a common , as they all possess similar structures and . Cell structure : In cells in general , different structures can be distinguished with the light microscope : , cytoplasmic and cytoplasm .