Procedure: Tonioity in Potato Strips 3 This Experimental Procedure runs for one
ID: 196438 • Letter: P
Question
Procedure: Tonioity in Potato Strips 3 This Experimental Procedure runs for one hour. Prioe setup can maximize time efficiency 1. Cut two strips of potato, each about 7 cm long and 1.5 cm wide. A Fill tube I with water to cover the potato strip S. Afher I hour, remove the potaso strips from the sest tubes and place them on a paper sowel Label two test nubes I and 2. Place ose potato strip in each tube. Fill tube 2 with 10% sodium chloride (NaC1) lo comer the ptato strip. Observe each strip for limpness (water loss) or stiffness (water gain). Which tube has the limp potato strp? Use tonicity to explain why water dimused out ofthe potato strip in this tube. tube has the stiff potato strip? Use tonicity to explain why water diffused into the potato strip in this tube Use this space to create a table to display your results. Give your table a title and columns for tube sumber and contents, tonicity, results, and explanation Conclusions: Tonicity e In a hypotonic solution, animal cells In red blood cells, this is called In a hypertonic solution, animal cellsIn red blood cells this is called . In a hypotonic solution, the central vacuole of Elodea cells exerts _pressure, and chloroplasts are seen and. In a hypertonic solution, the central vacuole loses water occurs. The cytoplasm plus the chloroplasts are seen * In a hypotonic solution, potato strips water and become water and become in a hypertonic solution, potato strips 4-13 Laboratory 4 9nctn and Furoton 53Explanation / Answer
The tube with 10% NaCl has limpness. Water diffused out of the cell because outside the solution was hypertonic as compared to the potato strip.
The tube with only water has stiffness. This happened because outside the solution is hypotonic hence water moved from out.
Conclusion:
In a hypotonic solution, animal cell swells. In RBC this is known as hemolysis.
In hypertonic solution, animal cell shrinks. In RBC this is known as crenation (shriveling).
In hypotonic solution, Turgor pressure is exerted by the central vacuole of Elodea cell. Chloroplasts are seen as against the cell wall.
In hypertonic solution, plasmolysis occurs. They are seen pulled away from the cell wall.
In a hypotonic solution potato strips gain water and become stiff.
In hypertonic solution potato strips loses water and becomes limp.
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