Onion cell plasmolysis experiment

IB Biology: Onion cell plasmolysis experiment

This experiment is a good introduction to data processing and illustrates skills needed for success in data analysis questions in IB exams. Students use techniques learned earlier in the topic to prepare slides of onion cells. They collect data about onion cell plasmolysis in different solute concentrations, and use a scatter graph of the results to identify the concentration for 50% plasmolysis in each type of onion


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