List the function of each organelle • GREEN TEST • Nucleus • RED TEST • mitochondria • Endoplasmic reticulum • Vacuole • Cell membrane • Cell wall Things to find out about cells 1. 2. 3. 4. 5. 6. 7. What shape do most cells have? How many nuclear membrane layers? Why? What produces energy in a cell? How does water get into a cell? How does CO2 get out of a cell? What does a nucleus do? What does the endoplasmic reticulum do? Look like? White Board Answers • • • • • • Group 1: Questions 1 & 6 Group 2: Questions 2 & 4 Group 3: Questions 3 & 2 Group 4: Questions 4 & 1 Group 5: Questions 5 & 3 Group 6: Questions 6 & 5 Cell history • • • • Leeuenhoek Hooke Schwann Schleidan Contempories; 1730’s German sci; credited w/ the idea of cell theory; the beg of the end of spontaneous generation Beg Microscopes http://en.wikipedia.org/wiki/File:Leeuwen hoek_Microscope.png http://chem.aellumis.org/wpcontent/uploads/2013/08/hookes_microscope.jpg Two Types of Cells • Prokaryotic • “simple” • no nucleus or membrane bound organelles • most have cell wall • All are bacteria of some type • Eukaryotic • Have nucleus* and membrane bound organelles • More diverse • Only plant and fungi have cell walls Generalized Bacteria Cell List of Organelles w/ Membranes Cell Membrane: Nucleus: nucleolus Mitochondria: Chloroplast: Vacuole: Cell membrane Cytomembrane Organelles • Endoplasmic Reticulum (ER): – rough – smooth • Golgi Body: • Lysosomes/peroxisomes: Generalized cell for cytomembrane system Other Organelles • Ribosomes • Centrioles • Cytoskeleton – microtubules – microfilaments Other Organelles, cont • Cytoplasm/cytosol • Cell wall – slime capsule • Cilia/flagella Organelle Assignment • • • • • • 5 Cinquain poems Noun 2 adjectives 3 verbs to describe organelle 4 word phrase 1 noun synonym How substances enter cell (ch 5) • W/out nrg = Passive • With energy • Osmosis: • Active transport: • Diffusion: • Bulk transport: • Facilitated Diffusion: – endocytosis – exocytosis Cell f(x)s--passive D:\unit1\chap05\031\031p2.htm