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Types of Cells Animal Cells Have no rigid shape Vary greatly in size and shape Plant Cells Have a cell wall made of cellulose Are usually rectangular in shape Can make their own food by using green chloroplasts Animal and Plant Cells Have their cell parts surrounded by membranes Are called EUKARYOTES meaning that they have membrane bound organelles Bacteria Cells Do not have their cell parts surrounded by membranes Are called PROKARYOTES meaning that they have no membrane bound organelles Cells come in all sizes and shapes On average, prokaryotic cells are smallest, followed by animal cells. Plant cells are biggest. Cells can be any shape STRUCTURE CELL MEMBRANE CELL WALL NUCLEUS CHROMOSOMES RIBOSOMES ER GOLGI APPARATUS LYSOSOMES VACUOLES MITOCHONDRIA CHROLOPLASTS CYTOSKELETON PROKARYOTIC BACTERIA EUKARYOTIC ANIMAL PLANT YES YES NO ONE STRAND OF CIRCULAR DNA YES (SMALL) YES NO YES MANY YES YES YES MANY YES (LARGE) YES (LARGE) NO YES YES NO YES YES NO YES YES NO SMALL OR NONE YES NO YES YES NO NO YES FLAGELLA ONLY YES YES