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Observing Osmosis in Potato Cell

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Reference no: EM133416934

Plasmolysis in Cells

Part 1. Observing Osmosis in Potato Cell

1. Which solution caused the potato cores to gain the most weight?

2. Was water moving into the potato cells or out of the cells in this case? How can you tell?

3. Which solution caused the cores to lose the most weight? Which way was the water moving in these?

4. Look on your line graph. Find the point where your line crosses the 0 line. This is the point where the cores do not lose or gain any mass. Follow down to the bottom axis to see the concentration of salt at this point. What is it?

5. Why do you think the workers at the grocery store spray water in the vegetables? Explain this using the term "osmosis".

Part 2. Observing Plasmolysis in Rhoeo discolor

1. Based on the observations, analyze and reason out the causes for plasmolysis.

Topic: IMMUNOLOGY AND SEROLOGY

Phlebotomy

1. What are the different sites for puncture?

2. Cite reasons for specimen rejection.

3. Discuss reasons why the following conditions may be observed:

a. Hematoma

b. Hemolysis

c. Chylous sample

4. Discuss the advantage of the evacuated tube system over the syringe method.

Reference no: EM133416934

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