? 2017 Pearson Education, Inc. Lecture Presentations byNicole Tunbridge and Kathleen Fitzpatrick Chapter 6A Tour of the Cell 1 Concept 6.2: Eukaryotic cells haveinternal membranes that compartmentalizetheir functions The basic structural and functional unit of every organism is one of two types of cells: Prokaryotic Eukaryotic Only organisms of the domains Bacteria and Archaea consist of prokaryotic cells Protists, fungi, animals, and plants all consist of eukaryotic cells ? 2017 Pearson Education, Inc. Comparing Prokaryotic and Eukaryotic Cells Basic features of all cells: Plasma membrane Semifluid substance called cytosol Chromosomes (carry genes) Ribosomes (make proteins) ? 2017 Pearson Education, Inc. Prokaryotic cells are characterized by having No nucleus