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List the function of each organelle
GREEN TEST Nucleus Endoplasmic reticulum Cell membrane RED TEST mitochondria Vacuole Cell wall
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Things to find out about cells
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?
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White Board Answers Group 1: Questions 1 & 6 Group 2: Questions 2 & 4
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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
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Beg Microscopes
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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
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Generalized Bacteria Cell
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List of Organelles w/ Membranes
Cell Membrane: Nucleus: nucleolus Mitochondria: Chloroplast: Vacuole:
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Cell membrane
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Cytomembrane Organelles
Endoplasmic Reticulum (ER): rough smooth Golgi Body: Lysosomes/peroxisomes:
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Generalized cell for cytomembrane system
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Other Organelles Ribosomes Centrioles Cytoskeleton microtubules
microfilaments
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Other Organelles, cont Cytoplasm/cytosol Cell wall Cilia/flagella
slime capsule Cilia/flagella
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Organelle Assignment 5 Cinquain poems Noun 2 adjectives
3 verbs to describe organelle 4 word phrase 1 noun synonym
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How substances enter cell (ch 5)
W/out nrg = Passive Osmosis: Diffusion: Facilitated Diffusion: With energy Active transport: Bulk transport: endocytosis exocytosis
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Cell f(x)s--passive D:\unit1\chap05\031\031p2.htm
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