Eukaryotic and Prokaryotic Cells

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Presentation transcript:

Eukaryotic and Prokaryotic Cells Prokaryote = without a nucleus Eukaryote = with a nucleus

Eukaryotic cells Diagram

Components Cytoplasm Nucleus Mitochondria Chloroplast Ribosomes RER SER Golgi body Vacuoles

Components cont. Lysosomes Cytoskeleton Centriole Cilium and Flagellum Microvilli Cell membrane Cell Wall

Prokaryotic cells Diagram

Components Cytoplasm Ribosomes Nuclear Zone DNA Plasmid Cell Membrane Mesosome Cell Wall Capsule (or slime layer) Flagellum

Summary of differences! Prokaryotic Cells Eukaryotic cells small cells (< 5 mm) larger cells (> 10 mm) always unicellular often multicellular no nucleus or any membrane-bound organelles always have nucleus and other membrane-bound organelles DNA is circular, without proteins DNA is linear and associated with proteins to form chromatin ribosomes are small (70S) ribosomes are large (80S) no cytoskeleton always has a cytoskeleton cell division is by binary fission cell division is by mitosis or meiosis reproduction is always asexual reproduction is asexual or sexual