Saccone Powerpoint NYS Lab: Diffusion Through NYS Lab: Diffusion Through a Membrane a Membrane Dialysis Cell Transport and Elodea lege.hccs.cc.tx.us/instru/biology/AllStudyPages/Diffusion_Osmosis/E
Jan 18, 2016
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NYS Lab: Diffusion Through a NYS Lab: Diffusion Through a MembraneMembrane
Dialysis Cell Transport and Elodea
http://ccollege.hccs.cc.tx.us/instru/biology/AllStudyPages/Diffusion_Osmosis/Elodeagif.swf
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Windows(R) operating system and Mac OS X operating system software
Submitted by Joseph Saccone
Diffusion Through a Membrane
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SS
S
SS
S
G
GG G
GG
I
II III
I
II
IIII
II
II
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IodineGlucoseWaterStarch
In your notes describe what happened to each substance.
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GG
G SS
S
INSIDE OF DIALYSIS TUBE (CELL)
OUTSIDE OF DIALYSIS TUBE (CELL)
DIALYSIS TUBEDIALYSIS TUBE
DIALYSIS TUBEDIALYSIS TUBE
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Tests for _______ Tests for _______
and changes and changes
from blue to from blue to
_________._________.
Test for _______ Test for _______
and changes and changes
from amber to from amber to
_________._________.
Benedicts SolutionBenedicts Solution
IodineIodine
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Test for Test for GlucoseGlucose
and changes and changes
from blue to from blue to
Other colors.Other colors.
Test for Test for starchstarch
and changes and changes
from from amberamber to to
Black/purple.Black/purple.
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+ for glucose - for glucose
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What type of sugar is present in What type of sugar is present in this testthis test tube?tube?
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Absorption =Absorption =DiffusionDiffusion across the CELL across the CELL
MEMBRANE.MEMBRANE.
RECEPTOR PROTEINSRECEPTOR PROTEINS
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RED ONION IN FRESH WATER
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CELL WALL CYTOPLASM CELL MEMBRANE
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RED ONION IN SALT WATER
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LABEL THE FOLLOWING PARTS
CELL WALL CYTOPLASM CELL MEMBRANE
SALT WATER
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LABEL THE FOLLOWING PARTS
CELL WALL
CYTOPLASM
CELL MEMBRANE
SALT WATER
ANSWERS
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LABEL THE FOLLOWING PARTS
CELL WALLCYTOPLASMCELL MEMBRANESALT WATER
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Elodea under 400XElodea under 400X
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ElodeaElodea
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ElodeaElodea
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ElodeaElodea
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ElodeaElodea
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ElodeaElodea
Fresh solutionSalt solution
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Fresh solution
Saccone PowerpointDraw & label these blood vessels
1) Artery (arterioles)2) Vein (venule)
3) Capillary
Very thin-walled (one cell thick).
Site for the exchange of materials between the blood & body tissue (cells). (where Hemo does his work)
Arterioles and venules are connected by capillaries.
CapillariesCapillaries
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Capillary cross-section
• Very thin-walled
(one cell passes through at a time.)
This is where materials are exchanged between the blood and the body cells.
RBC
Capillary
NUCLEUS
contractile vacuole
• Regulates osmotic environment in a living Paramecium
• exposure to a strongly hypotonic solution resulted in the cell's ability to quickly adjust to
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Salt and cells
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