Zadanie 3b
Compare and contrast simple diffusion and facilitated diffusion across a membrane.
Direct diffusion through a lipid bilayer
Explain the net movement of oxygen and carbon dioxide across membranes down concentration gradients.
Tę umiejętność sprawdza 5 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Zadania sprawdzające tę umiejętność: 5 Otwórz w wyszukiwarce z filtrami
Zadanie 3
A membrane allows oxygen to pass directly through its lipid bilayer and a particular ion to pass through channels. Which distinction between these two passive processes is correct? A. Ion movement through a channel must be against its concentration gradient B.…
Zadanie 22
Liver cells (hepatocytes) exchange substances with blood in adjacent sinusoids. Some substances are detoxified inside the cells before the resulting products are transported elsewhere. Draw arrows showing (i) the movement of oxygen to a hepatocyte, and (ii)…
- Materiał graficzny
Zadanie 22
Liver cells (hepatocytes) exchange substances with blood in adjacent sinusoids. Some substances are detoxified inside the cells before the resulting products are transported elsewhere. Draw arrows showing (i) the movement of oxygen to a hepatocyte, and (ii)…
- Materiał graficzny
Zadanie 8
Membrane transport and kidney function contribute to water and solute balance. (a) Outline four different ways substances cross the plasma membrane, giving an example for each. (b) Explain how kidney regions contribute to water balance and excretion of…