Water moved out of cells by osmosis. The external solution had lower water potential (more negative) than the cell sap. Cells became flaccid/plasmolysed.
While this article reconstructs the , you should verify with official sources: o level biology practical 2020 answers
Mastering the O Level Biology Practical: 2020 Answers and Techniques (5090) Water moved out of cells by osmosis
Are you looking for the 2020 Biology Practical answers? Whether you are a student retaking the exam or a teacher looking for a mark scheme analysis, this guide breaks down the typical challenges found in the 2020 practical session. While this article reconstructs the , you should
Cambridge examiners look for specific criteria in biological diagrams:
The experiment involved three treatments: a banana slice dipped in to lower the pH, a slice cut into small pieces to increase surface area, and an untreated slice as a control.
The year 2020 presented unique challenges for the Cambridge O Level Biology (5090) exams.