Memory Cell Theory Essentials Card MatchVersion en ligne Match each cell theory concept with its brief description. par Lyla Haiat From existing cells Protein production sites Basic unit of life All living things are made of cells Cells contain genetic material Cytoplasm carries processes Two main cell types There are two main cell types: prokaryotic and eukaryotic Cytoplasm hosts many metabolic activities The cell is the basic unit of structure and function Structure and function unit Ribosomes synthesize proteins All cells arise from pre-existing cells Cells are bounded by a cell membrane Contains genetic material Cell membrane surrounds cell