(a)[3]
Describe osmosis in simple terms.
(b(i))[3]
Name the structures labelled A, B and C. Put your answers on Fig. 6.1.
(b(ii))[1]
On Fig. 6.1, draw label line D to indicate the position of the vacuole.
(c)[3]
Describe the changes that happen in the cell during the 30 minutes it is in pure water.