Directly related questions
- 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...
-
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
-
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.a: Estimate the solute concentration of the zucchini cells.
- 19N.1B.SL.TZ0.3a: Estimate the solute concentration of the zucchini cells.
- 19N.1B.SL.TZ0.a: 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.b: If a zucchini is allowed to dry in the open air, predict how the osmolarity 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.b: 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.c: Explain one reason for calculating the percentage changes in mass.
- 19N.1B.SL.TZ0.3c: Explain one reason for calculating the percentage changes in mass.
- 19N.1B.SL.TZ0.c: 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.
- 19N.1B.SL.TZ0.d: Predict what would happen to a red blood cell placed in distilled water.
- 19N.1B.SL.TZ0.3d: Predict what would happen to a red blood cell placed in distilled water.
- 19N.1B.SL.TZ0.d: Predict what would happen to a red blood cell placed in distilled water.
-
19N.1B.SL.TZ0.1a:
Using the graph, estimate isotonic sucrose solutions for potato tissue and carrot tissue.
Potato:
Carrot:
-
19N.1B.SL.TZ0.a:
Using the graph, estimate isotonic sucrose solutions for potato tissue and carrot tissue.
Potato:
Carrot:
-
19N.1B.SL.TZ0.1a:
Using the graph, estimate isotonic sucrose solutions for potato tissue and carrot tissue.
Potato:
Carrot:
-
19N.1B.SL.TZ0.a:
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.b: Suggest a reason for the difference in the isotonic points for the potato and the carrot tissues.
- 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.b: 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.c: From the evidence provided by the graph, evaluate the reliability of these data.
- 19N.1B.SL.TZ0.1c: From the evidence provided by the graph, evaluate the reliability of these data.
- 19N.1B.SL.TZ0.c: 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.d: Explain one reason for calculating the percentage change in mass.
- 19N.1B.SL.TZ0.1d: Explain one reason for calculating the percentage change in mass.
- 19N.1B.SL.TZ0.d: Explain one reason for calculating the percentage change in mass.
- 21M.1A.SL.TZ1.2: Which process explains the observations shown in the images? A. Active transport B....
- 21M.1A.SL.TZ1.2: Which process explains the observations shown in the images? A. Active transport B....
- 21M.1A.SL.TZ1.2: Which process explains the observations shown in the images? A. Active transport B....
- 21M.1A.SL.TZ1.2: Which process explains the observations shown in the images? A. Active transport B....
-
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.TZ0.3a:
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.
-
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.TZ0.3a:
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.
-
21N.2.SL.TZ0.5b:
Describe transport across cell membranes by osmosis.
-
21N.2.SL.TZ0.5b:
Describe transport across cell membranes by osmosis.
-
21N.2.SL.TZ0.b:
Describe transport across cell membranes by osmosis.
-
21N.2.SL.TZ0.5b:
Describe transport across cell membranes by osmosis.
-
21N.2.SL.TZ0.5b:
Describe transport across cell membranes by osmosis.
-
21N.2.SL.TZ0.b:
Describe transport across cell membranes by osmosis.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.