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CELLS. Structure and Function Cell = smallest unit of life. Two Major Cell Types . Prokaryotic Cell. Eukaryotic Cell (protist, animal). Eukaryotic Cell (plant). Components Common to All Cells. Plasma Membrane boundary surrounding the cell
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CELLS Structure and Function Cell = smallest unit of life
Eukaryotic Cell (protist, animal)
Eukaryotic Cell (plant)
Components Common to All Cells • Plasma Membrane boundary surrounding the cell • Genetic material: DNA found in one or more chromosomes • Cytoplasm Fluid containing enzymes and organelles
Which feature is unique to prokaryotic cells? Which feature is unique to eukaryotic cells? Which feature(s) do prokaryotic and eukaryotic cells have in common? Nucleus Ribosome Capsule Cytoplasm Nucleoid Applying Your Knowledge
Eukaryotic Cell Nucleus DNA + protein = chromatin Chromosomes are composed of chromatin. Chromatin appears diffuse during most of the cell cycle.
Which organelle produces proteins that will be exported from the cell? Which organelle contains digestive enzymes? Which site acts as a protein packaging and distribution center? Cilium Rough ER Golgi apparatus Smooth ER Lysosome Applying Your Knowledge
Thought Questions • What are similarities for a. eukaryotic and prokaryotic cells? b. animal and plant cells? 2. What are differences between a. eukaryotic and prokaryotic cells? b. animal and plant cells?
Comparing Animal and Plant Cells AnimalCell Chloroplasts Centrioles Mitochondria Golgi Nucleus EndoplasmicReticulum PlantCell
Comparing Animal and Plant Cells AnimalCell Nucleolus Ribosomes Central Vacuole PlantCell Cell Wall
Analogy If the cell were a factory the ____________________ would be (name a cell component) a _____________________________.(name a part of a factory)