An aqueous mixture containing starch (a colloid), NaCl, glucose, and albumin (a colloid) is placed in a dialyzing bag and immersed in distilled water. Which of the following correctly describes the location of the indicated substance after dialysis?

Question

A-albumin, inside
B-starch outside
C-albumin inside and outside
D-water inside only
E-starch inside and outside

Answer 1

A-Albumin inside because it is a colloid and cannot pass through a semipermeable membrane.