Zadanie 2b
A pancreatic secretory cell packages enzymes into vesicles. Identify the process releasing their contents outside the cell.
Relate bilayer fluidity to membrane budding and fusion in endocytosis and exocytosis.
Tę umiejętność sprawdzają 4 zadania wzorowane na arkuszach IB z lat 2022–2024.
A pancreatic secretory cell packages enzymes into vesicles. Identify the process releasing their contents outside the cell.
(a) Explain how vesicles move materials within cells and across their surfaces. (b) Describe how dissolved carbon compounds are transported through phloem. (c) Outline how material moves from the stomach to the large intestine.
Nutrients move from the intestinal lumen into the circulation and then reach the liver. Explain adaptations of villus epithelial cells for absorption and what can happen to absorbed nutrients in the liver.
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…
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