![Page 1: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/1.jpg)
Bellwork:
![Page 2: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/2.jpg)
Also write a real-life example of diffusion
Explain concentration gradient and diffusion with a
picture or diagram..
1.
![Page 3: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/3.jpg)
Concentration Gradient
Concentration gradient is when the substance stays in one area more, than in another area.
![Page 4: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/4.jpg)
Diffusion Diffusion
![Page 5: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/5.jpg)
Diffusion
An everyday example of diffusion is Kool-Aid mixing with water. The high concentration of the Kool-Aid powder moves to the areas of the powder where it is in low concentration.
![Page 6: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/6.jpg)
2.
Discuss the similarities and differences between diffusion and osmosis.
![Page 7: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/7.jpg)
Question #2:Discuss the similarities and
differences between diffusion and osmosis.
Osmosis vs. Diffusion
![Page 8: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/8.jpg)
Diffusion!
Diffusion is the movement of particles or substances from an area that is crowded and concentrated to an area that is not in order to reach an equilibrium.
Different from….
![Page 9: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/9.jpg)
Osmosis!
….which is when water molecules go through a semi-permeable membrane (plasma membrane) from an area of higher concentration to an area of lower concentration.
![Page 10: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/10.jpg)
Different! But how?
Diffusion is the movement of any substance from a higher to lower concentration while osmosis is the movement of water
Diffusion does not always move through a semi-permeable membrane (example: food coloring dropped into water) while osmosis does (example: water traveling through the plasma membrane)
![Page 11: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/11.jpg)
Similar too!
Both move particles from high to low concentration
![Page 12: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/12.jpg)
3.
• What would happen to a cell if placed in the following solutions (describe and illustrate).– Isotonic solution: – Hypotonic solution:
– Hypertonic solution:
![Page 13: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/13.jpg)
4.• Use pictures to illustrate and arrows to show the
direction of osmosis for each of the conditions below. Assume the membrane is not permeable to sucrose.
• Intravenous solutions must be prepared so that they are isotonic to red blood cells. A 0.9 % salt solution is isotonic to red blood cells.– Explain what will happen to a red blood cell placed in a
solution of 99.3% water and 0.7% salt.– Explain what would happen to a red blood cell placed in a
solution of 90% water and 10% salt.
![Page 14: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/14.jpg)
Osmosis/Tonicity
Vince, Ally, Katelin, and Christian.
![Page 15: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/15.jpg)
Hypertonic
• The water in the red blood cell leaves the cell.
• This happens because the concentration of the solution is higher than the concentration in the cell.
The blood cells are shriveling up because the water is leaving the cell.
The cells are fine because the water stays in the cell.
![Page 16: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/16.jpg)
Hypotonic
• The water stays in the cell because the concentration of the solution is higher inside the actual cell.
• The cell will possibly burst because the water is flowing in the cell.
• Water always moves from low to high.
![Page 17: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/17.jpg)
5.
• Draw and describe a plant cell in a hypotonic solution. How will a plant cell respond differently than an animal cell? Why?
![Page 18: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/18.jpg)
5. Hypotonic Solution
More water is entering the cell than leaving the cell. Causes the cell to expand. Two different things will happen depending on the type of cell.
![Page 19: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/19.jpg)
Plant Cell
Water will fill the cell.
It will NOT explode.
The cell wall prevents the plant cell from rupturing.
![Page 20: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/20.jpg)
Animal Cell
Water will fill the cell.
It will explode if it gets too full.
Animal cells do not have the structure that the cell wall provides.
![Page 21: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/21.jpg)
6.
• For the most part, plants and animal live in either a salt water environment or a fresh water environment, not both. Explain this using the principles of diffusion.
![Page 22: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/22.jpg)
Fresh and Salt Water
Conner Hayes, Mariana Corpus Isaac Kerny
![Page 23: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/23.jpg)
Certain fish and plants can live in the salt water because they can tolerate large quantities of salt. Other fish can’t live in the salt water because the have low salt tolerance.
Fish that can live in both environments come
from places like the mouth of a delta. The fresh water diffuses across the salt water and the fish slowly become accustomed too a dual- water environment.
![Page 24: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/24.jpg)
7.
• What is required for active transport to occur?
![Page 25: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/25.jpg)
In order for active transport to occur, you first must have energy
(ATP) from the cell.
#7 What is required for active transport to occur?
Ben Baker, Darion Denniston, and Kiersten Henderson(:
![Page 26: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/26.jpg)
In active transport, a substance in the
transport must bind with a carrier protein;
this carrier protein usually matches the
shape of the molecule, due to chemical energy
changing the shape.
The carrier protein releases the molecule on the other side of the membrane. Then the protein goes back to it regular shape, after being released from the carrier cell. This is necessary to for homeostasis.
![Page 27: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/27.jpg)
8.
• What if there is a large food particle or organism that a predatory cell – like an amoeba – wants to eat? It must use a process called exocytosis. Draw a diagram showing how this process works. Give two examples of substances that a cell might export this way.
![Page 28: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/28.jpg)
http://highered.mcgraw-hill.com/sites/007337797x/student_view0/chapter5/animation_quiz_-_endocytosis_and_exocytosis.html
Click for diagram
Cells sometimes export proteins that are to big for active transport that are to be used in the plasma membrane. Cells will also export extra cellular fluids for other cells to use.
![Page 29: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/29.jpg)
Cell Transport• Active
• Passive
• Diffusion
– Facilitated Diffusion
• Osmosis
• Isotonic
• Hypertonic
• Hypotonic
• Endocytosis
![Page 30: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/30.jpg)
• The diffusion of water across a selectively permeable membrane is called osmosis.
Osmosis: Diffusion of Water
Real- World Applications• Plant Cells: Cellular Respiration• Preserving Fruit and Meat• Medicine
– IV– Storage of Red Blood Cells
![Page 31: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/31.jpg)
Isotonic – solutions with equal concentration.
When comparing two solutions to one another, we define:
A. B.
Osmosis Simulation
Hypotonic solution has a lower solute concentration
Hypertonic solution has a higher solute concentrations
![Page 32: Staple Current Events: Rubric Written Analysis Article MLA Cite Reference](https://reader036.vdocuments.site/reader036/viewer/2022062305/56815b97550346895dc99bbf/html5/thumbnails/32.jpg)