Directly related questions
- EXEX.1B.HL.TZ0.5aiii: Comment on the significance of the error bars for muscle stiffness shown in the graph.
- EXEX.1B.HL.TZ0.5aiii: Comment on the significance of the error bars for muscle stiffness shown in the graph.
- EXEX.1B.HL.TZ0.5aiii: Comment on the significance of the error bars for muscle stiffness shown in the graph.
- EXEX.1B.HL.TZ0.5aiii: Comment on the significance of the error bars for muscle stiffness shown in the graph.
- EXEX.1B.HL.TZ0.iii: Comment on the significance of the error bars for muscle stiffness shown in the graph.
- 22N.1A.SL.TZ0.3: What would happen if the unicellular organism was placed in a solution slightly less concentrated...
- 22N.1A.SL.TZ0.3: What would happen if the unicellular organism was placed in a solution slightly less concentrated...
Sub sections and their related questions
D2.3.1. Solvation with water as the solvent
NoneD2.3.2. Water movement from less concentrated to more concentrated solutions
-
23M.1A.SL.TZ1.3:
Onion (Allium cepa) epidermis was placed in pure water and observed with a light microscope using high magnification.
What would happen to these cells if they were transferred to a hypertonic solution?
A. Cells would gain mass.B. Cells would take in water by osmosis and swell.
C. Cells would burst open, releasing their content.
D. Cell membranes would detach from walls at some points.
-
23M.1A.SL.TZ1.4:
Onion (Allium cepa) epidermis was placed in pure water and observed with a light microscope using high magnification.
What would happen to these cells if they were transferred to a hypertonic solution?
A. Cells would gain mass.B. Cells would take in water by osmosis and swell.
C. Cells would burst open, releasing their content.
D. Cell membranes would detach from walls at some points.
-
23M.1A.SL.TZ1.3:
Onion (Allium cepa) epidermis was placed in pure water and observed with a light microscope using high magnification.
What would happen to these cells if they were transferred to a hypertonic solution?
A. Cells would gain mass.B. Cells would take in water by osmosis and swell.
C. Cells would burst open, releasing their content.
D. Cell membranes would detach from walls at some points.
-
23M.1A.SL.TZ1.4:
Onion (Allium cepa) epidermis was placed in pure water and observed with a light microscope using high magnification.
What would happen to these cells if they were transferred to a hypertonic solution?
A. Cells would gain mass.B. Cells would take in water by osmosis and swell.
C. Cells would burst open, releasing their content.
D. Cell membranes would detach from walls at some points.
D2.3.3. Water movement by osmosis into or out of cells
-
21N.2.SL.TZ0.3a:
The image shows human red blood cells.
[Source: someoneice/123rf.com.]
Outline what will happen to human red blood cells if transferred to distilled water.
-
22M.1A.SL.TZ2.2:
Red blood cells from a small mammal were immersed in NaCl (sodium chloride) solutions of different concentrations for 2 hours. The graph shows the percentage of hemolysed (ruptured) red blood cells at each concentration.
[Source: Zaidan, T. , de Matos, W. , Machado, É. , Junqueira, T. , Vicentini, S. , Presta, G. and Santos-Filho, S. (2010)
Cellular effects of an aqueous solution of Losartan® on the survival of Escherichia coli AB1157 in the presence
and absence of SnCl2, and on the physiological property (osmotic fragility) of the erytrocyte. Advances
in Bioscience and Biotechnology, 1, 300–304. doi: 10.4236/abb.2010.14039. Available at https://www.scirp.org/pdf/ABB20100400005_18844979.pdf Licensed under a Creative
Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/).]What can be deduced from the graph?
A. At Y, the net movement of Na ions between red blood cells and the NaCl solutions is zero.
B. At X, Na and Cl ions disrupt the structure of cell membranes.
C. At Y, the hypertonic NaCl solutions diffuse into the red blood cells.
D. At X, water has moved by osmosis into the red blood cells.
-
21N.2.SL.TZ0.5b:
Describe transport across cell membranes by osmosis.
-
19N.1B.SL.TZ0.1a:
Using the graph, estimate isotonic sucrose solutions for potato tissue and carrot tissue.
Potato:
Carrot:
- 19N.1B.SL.TZ0.1b: Suggest a reason for the difference in the isotonic points for the potato and the carrot tissues.
- 19N.1B.SL.TZ0.1c: From the evidence provided by the graph, evaluate the reliability of these data.
- 19N.1B.SL.TZ0.1d: Explain one reason for calculating the percentage change in mass.
-
19M.1A.SL.TZ1.4:
Which process(es) occur(s) by osmosis?
I. Uptake of water by cells in the wall of the intestine
II. Loss of water from a plant cell in a hypertonic environment
III. Evaporation of water from sweat on the skin surface
A. I only
B. I and II only
C. II and III only
D. I, II and III
- 19N.1B.SL.TZ0.3a: Estimate the solute concentration of the zucchini cells.
- 19N.1B.SL.TZ0.3b: If a zucchini is allowed to dry in the open air, predict how the osmolarity of the zucchini cells...
- 19N.1B.SL.TZ0.3c: Explain one reason for calculating the percentage changes in mass.
- 19N.1B.SL.TZ0.3d: Predict what would happen to a red blood cell placed in distilled water.
-
22M.1A.SL.TZ2.3:
In an experiment on osmosis, red blood cells were immersed in a salt solution for two hours. The micrographs show the appearance of these cells before and after immersion in the salt solution.
[Source: Ed Uthman, Acanthocytes, from peripheral blood [image online] Available at:
https://en.wikipedia.org/wiki/Acanthocyte#/media/File:Acanthocytes,_Peripheral_Blood_(3884092551).jpg
This file is licensed under the Creative Commons Attribution 2.0 Generic (CC BY 2.0) https://creativecommons.org/licenses/by/2.0/ Source adapted.]What explains the observed changes?
A. The salt solution was hypertonic and entered the red blood cells.
B. The salt solution was hypotonic and disrupted the membranes of the red blood cells.
C. The salt solution was hypertonic and water moved into it from the red blood cells.
D. The salt solution was hypotonic and mineral salts were lost from the red blood cells.
- 21M.1A.SL.TZ1.2: Which process explains the observations shown in the images? A. Active transport B....
- 22N.1A.SL.TZ0.3: What would happen if the unicellular organism was placed in a solution slightly less concentrated...
-
21N.2.SL.TZ0.3a:
The image shows human red blood cells.
[Source: someoneice/123rf.com.]
Outline what will happen to human red blood cells if transferred to distilled water.
-
21N.2.SL.TZ0.a:
The image shows human red blood cells.
[Source: someoneice/123rf.com.]
Outline what will happen to human red blood cells if transferred to distilled water.
-
22M.1A.SL.TZ2.2:
Red blood cells from a small mammal were immersed in NaCl (sodium chloride) solutions of different concentrations for 2 hours. The graph shows the percentage of hemolysed (ruptured) red blood cells at each concentration.
[Source: Zaidan, T. , de Matos, W. , Machado, É. , Junqueira, T. , Vicentini, S. , Presta, G. and Santos-Filho, S. (2010)
Cellular effects of an aqueous solution of Losartan® on the survival of Escherichia coli AB1157 in the presence
and absence of SnCl2, and on the physiological property (osmotic fragility) of the erytrocyte. Advances
in Bioscience and Biotechnology, 1, 300–304. doi: 10.4236/abb.2010.14039. Available at https://www.scirp.org/pdf/ABB20100400005_18844979.pdf Licensed under a Creative
Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/).]What can be deduced from the graph?
A. At Y, the net movement of Na ions between red blood cells and the NaCl solutions is zero.
B. At X, Na and Cl ions disrupt the structure of cell membranes.
C. At Y, the hypertonic NaCl solutions diffuse into the red blood cells.
D. At X, water has moved by osmosis into the red blood cells.
-
21N.2.SL.TZ0.5b:
Describe transport across cell membranes by osmosis.
-
21N.2.SL.TZ0.b:
Describe transport across cell membranes by osmosis.
-
19N.1B.SL.TZ0.a:
Using the graph, estimate isotonic sucrose solutions for potato tissue and carrot tissue.
Potato:
Carrot:
- 19N.1B.SL.TZ0.b: Suggest a reason for the difference in the isotonic points for the potato and the carrot tissues.
- 19N.1B.SL.TZ0.c: From the evidence provided by the graph, evaluate the reliability of these data.
- 19N.1B.SL.TZ0.d: Explain one reason for calculating the percentage change in mass.
-
19M.1A.SL.TZ1.4:
Which process(es) occur(s) by osmosis?
I. Uptake of water by cells in the wall of the intestine
II. Loss of water from a plant cell in a hypertonic environment
III. Evaporation of water from sweat on the skin surface
A. I only
B. I and II only
C. II and III only
D. I, II and III
- 19N.1B.SL.TZ0.a: Estimate the solute concentration of the zucchini cells.
- 19N.1B.SL.TZ0.b: If a zucchini is allowed to dry in the open air, predict how the osmolarity of the zucchini cells...
- 19N.1B.SL.TZ0.c: Explain one reason for calculating the percentage changes in mass.
- 19N.1B.SL.TZ0.d: Predict what would happen to a red blood cell placed in distilled water.
-
22M.1A.SL.TZ2.3:
In an experiment on osmosis, red blood cells were immersed in a salt solution for two hours. The micrographs show the appearance of these cells before and after immersion in the salt solution.
[Source: Ed Uthman, Acanthocytes, from peripheral blood [image online] Available at:
https://en.wikipedia.org/wiki/Acanthocyte#/media/File:Acanthocytes,_Peripheral_Blood_(3884092551).jpg
This file is licensed under the Creative Commons Attribution 2.0 Generic (CC BY 2.0) https://creativecommons.org/licenses/by/2.0/ Source adapted.]What explains the observed changes?
A. The salt solution was hypertonic and entered the red blood cells.
B. The salt solution was hypotonic and disrupted the membranes of the red blood cells.
C. The salt solution was hypertonic and water moved into it from the red blood cells.
D. The salt solution was hypotonic and mineral salts were lost from the red blood cells.
- 21M.1A.SL.TZ1.2: Which process explains the observations shown in the images? A. Active transport B....
- 22N.1A.SL.TZ0.3: What would happen if the unicellular organism was placed in a solution slightly less concentrated...
.jpg){kind=link}
D2.3.4. Changes due to water movement in plant tissue bathed in hypotonic and those bathed in hypertonic solutions
-
19N.1B.SL.TZ0.1a:
Using the graph, estimate isotonic sucrose solutions for potato tissue and carrot tissue.
Potato:
Carrot:
- 19N.1B.SL.TZ0.1b: Suggest a reason for the difference in the isotonic points for the potato and the carrot tissues.
- 19N.1B.SL.TZ0.1c: From the evidence provided by the graph, evaluate the reliability of these data.
- 19N.1B.SL.TZ0.1d: Explain one reason for calculating the percentage change in mass.
- 19N.1B.SL.TZ0.3a: Estimate the solute concentration of the zucchini cells.
- 19N.1B.SL.TZ0.3b: If a zucchini is allowed to dry in the open air, predict how the osmolarity of the zucchini cells...
- 19N.1B.SL.TZ0.3c: Explain one reason for calculating the percentage changes in mass.
- 19N.1B.SL.TZ0.3d: Predict what would happen to a red blood cell placed in distilled water.
- EXEX.1B.HL.TZ0.5aiii: Comment on the significance of the error bars for muscle stiffness shown in the graph.
- EXEX.1B.HL.TZ0.5aiii: Comment on the significance of the error bars for muscle stiffness shown in the graph.
- EXEX.1B.HL.TZ0.5aiii: Comment on the significance of the error bars for muscle stiffness shown in the graph.
-
19N.1B.SL.TZ0.a:
Using the graph, estimate isotonic sucrose solutions for potato tissue and carrot tissue.
Potato:
Carrot:
- 19N.1B.SL.TZ0.b: Suggest a reason for the difference in the isotonic points for the potato and the carrot tissues.
- 19N.1B.SL.TZ0.c: From the evidence provided by the graph, evaluate the reliability of these data.
- 19N.1B.SL.TZ0.d: Explain one reason for calculating the percentage change in mass.
- 19N.1B.SL.TZ0.a: Estimate the solute concentration of the zucchini cells.
- 19N.1B.SL.TZ0.b: If a zucchini is allowed to dry in the open air, predict how the osmolarity of the zucchini cells...
- 19N.1B.SL.TZ0.c: Explain one reason for calculating the percentage changes in mass.
- 19N.1B.SL.TZ0.d: Predict what would happen to a red blood cell placed in distilled water.
- EXEX.1B.HL.TZ0.5aiii: Comment on the significance of the error bars for muscle stiffness shown in the graph.
- EXEX.1B.HL.TZ0.iii: Comment on the significance of the error bars for muscle stiffness shown in the graph.
D2.3.5. Effects of water movement on cells that lack a cell wall
NoneD2.3.6. Effects of water movement on cells with a cell wall
NoneD2.3.7. Medical applications of isotonic solutions
- 21M.1A.SL.TZ1.4: A human organ is being prepared for transplant. In what type of solution must it be bathed? A. A...
- 21M.1A.SL.TZ1.4: A human organ is being prepared for transplant. In what type of solution must it be bathed? A. A...