9 The Cell Theory Robert Hooke – studied cork cells Schleiden – plant cellSchwann – animal cellCells – basic building blocks of all living things1. All organisms composed of 1 or morecells2. Cells are the basic unit of organization oforganisms3. All cells come from preexisting cells
11 Eukaryote Cells Contain a nucleus and membrane-bound organelles Examples: Animals, Plants, FungiOrganelles – membrane bound structures with in eukaryotic cells, each organelle has a specific function for cell survival
12 Similarities vs. Differences cell membranesribosomesBoth have genetic material/DNAcytoplasmEukaryotic cells have a nucleus, which contains the genetic material.The DNA in prokaryotic cells floats freely in the cell.Eukaryote cells have membrane bound organelles.Eukaryotic Cells are on average ten times largerthan Prokaryotic cells.