Biology · Biotechniques
According to the 'proton sponge hypothesis' associated with chemical gene delivery using poly(ethylenimine) (PEI)/DNA complexes, what is the correct chronological sequence of events following endocytosis? (A) PEI/DNA complexes are internalized via endocytosis. (B) Endosomal V-ATPases pump protons continuously into the vesicular interior. (C) Influx of water and chloride ions occurs to balance the osmotic gradient. (D) The vesicle swells due to the entry of ions and water, leading to endosomal rupture.
- 1(B), (C) and (D) only
- 2(A), (B), (C) and (D)✓
- 3(A), (B) and (C) only
- 4(A), (B) and (D) only
Correct answer
(A), (B), (C) and (D)
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