Zadanie 2a
State the direction of net water movement across the membranes during the first three minutes.
- Materiał graficzny
Osmosis across a cell membrane
Predict water movement around cells and explain dynamic equilibrium in an isotonic environment.
Tę umiejętność sprawdza 5 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Zadania sprawdzające tę umiejętność: 5 Otwórz w wyszukiwarce z filtrami
Zadanie 2b
Explain the response to distilled water.
Zadanie 5b
A model epidermal-cell sample is placed in pure water. Its mean internal hydrostatic pressure reaches 280 kPa while external atmospheric pressure is 100 kPa. Zadanie 5 b. (i) Outline how the higher pressure develops inside the cells. (ii) State why cellulose…
Zadanie 5b
A model epidermal-cell sample is placed in pure water. Its mean internal hydrostatic pressure reaches 280 kPa while external atmospheric pressure is 100 kPa. Zadanie 5 b. (i) Outline how the higher pressure develops inside the cells. (ii) State why cellulose…
Zadanie 2
Fresh samples of mammalian erythrocytes are placed in NaCl solutions for the same duration. Which explanation is consistent with the high percentage of ruptured cells at 0.03 mol L⁻¹? A. Salt molecules actively transport water out of the cells B. Water enters…
- Materiał graficzny