Zadanie 3
Four molecular structures are shown. Which has distinct water-attracting and water-repelling regions and is therefore amphipathic? A. Molecule D B. Molecule B C. Molecule C D. Molecule A
- Materiał graficzny
Amphipathic lipids and bilayer assembly
Explain why phospholipids arrange their water-attracting and water-repelling regions into bilayers.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2023–2025.
Zadania sprawdzające tę umiejętność: 3 Otwórz w wyszukiwarce z filtrami
Zadanie 2
Which description fits the labelled regions of the membrane lipid? A. Both regions carry the same exposed negative charge B. X interacts with water; Y is non-polar C. X avoids water; Y is an ionic phosphate group D. X is a hydrocarbon chain; Y is water-soluble
- Materiał graficzny
Zadanie 2a
Draw one phospholipid in a suitable position within the blank part of the membrane.
- Materiał graficzny