Cell history

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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
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•
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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
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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
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