Question 4

(Multiple Choice)

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mM glucose and 1 mM sodium chloride. If the vesicle is placed in pure water, which of the following happens faster?


A) Na⁺ diffuses out.
B) Cl- diffuses out.
C) H₂O diffuses in.
D) Glucose diffuses out.
E) Sodium chloride diffuses out.

Answer