Relate attraction to charged or polar surfaces to water movement through soil and plant cell walls.
Tę umiejętność sprawdzają 4 zadania wzorowane na arkuszach IB z lat 2022–2025.
Biologia IBPaper 1A, listopad 2025, TZ3wzorowane1 pktzamkniętełatwe (szac.)
Which phenomenon depends most directly on water adhering to a solid surface? A. A lake resisting rapid temperature changes B. Water rising through narrow pores between soil particles C. Sweat absorbing heat as it evaporates D. Ions becoming surrounded by…
Biologia IBPaper 2, listopad 2025, TZ3wzorowane16 pktotwarteśrednie (szac.)
Water properties affect both individual cells and whole plants. (a) Draw and label two interacting water molecules. (b) Outline what happens when animal and plant cells are immersed in pure water. (c) Explain transpiration and the adaptations of xylem vessels…
Biologia IBPaper 2, listopad 2024, TZ2wzorowane16 pktotwarteśrednie (szac.)
Water and dissolved substances connect the functioning of cells with the physical conditions of oceans. (a) Outline properties of water, linking each to its importance for living organisms. (b) Describe how water-soluble molecules and ions pass across cell…
Biologia IBPaper 1, listopad 2022wzorowane1 pktzamkniętełatwe (szac.)
The model contains only water molecules. Solid lines are covalent bonds; dashed lines represent attractions between molecules. Which property is not demonstrated? A. Hydrogen bonding between molecules B. Unequal distribution of charge within a molecule C.…