Analyse mass or length changes to estimate isotonic concentration and interpret variation or uncertainty in repeated measurements.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z 2023 roku.
Biologia IBPaper 1, maj 2023, TZ1wzorowane1 pktzamkniętełatwe (szac.)
Living epidermal cells from a plant leaf are transferred from distilled water to a strongly hypertonic solution. What change is expected? A. The cell wall dissolves immediately B. Water enters until the protoplast bursts through the wall C. The vacuole expands…
Biologia IBPaper 1, listopad 2023, TZ1wzorowane1 pktzamkniętełatwe (szac.)
Equal cylinders cut from a storage root are placed separately in sucrose solutions of 0.00, 0.20, 0.40, 0.60 and 0.80 mol dm⁻³. The solution isotonic with the tissue is 0.35 mol dm⁻³. Assuming the sucrose does not enter the cells during the test, how many…
Biologia IBPaper 1, listopad 2023, TZ2wzorowane1 pktzamkniętełatwe (szac.)
Equal cylinders cut from a storage root are placed separately in sucrose solutions of 0.00, 0.20, 0.40, 0.60 and 0.80 mol dm⁻³. The solution isotonic with the tissue is 0.35 mol dm⁻³. Assuming the sucrose does not enter the cells during the test, how many…