Zadanie 10
Identify the labelled components of this membrane model. A. P: glycoprotein; Q: integral protein B. P: phospholipid; Q: free ribosome C. P: peripheral protein; Q: cholesterol D. P: nucleic acid; Q: carbohydrate chain
- Materiał graficzny
Protein positions within membranes
Distinguish embedded proteins from surface-associated proteins and relate their positions to varied functions.
Tę umiejętność sprawdzają 4 zadania wzorowane na arkuszach IB z lat 2023–2025.
Zadania sprawdzające tę umiejętność: 4 Otwórz w wyszukiwarce z filtrami
Zadanie 12
Which description is supported by the membrane drawing? A. A peripheral protein found only on the cytoplasmic surface B. A soluble carbohydrate floating freely inside the cell C. A membrane-spanning glycoprotein that may participate in recognition D. A channel…
- Materiał graficzny
Zadanie 6
A cell in a freshwater organism is bounded by a phospholipid membrane. (a) Outline how phospholipid properties determine the membrane’s structure. (b) Describe the movement of substances through the membrane by facilitated diffusion. (c) Explain how electrical…
Zadanie 3
A protein spans a phospholipid bilayer and provides a pathway for ions. Which arrangement of its regions is compatible with that location? A. A non-polar membrane-contacting surface and polar regions exposed to water B. Only polar regions in direct contact…