A fungal cell is surrounded by a solution containing oxygen, water and starch.
Which statement describes how these substances can cross the cell membrane?
Oxygen and starch can cross easily, but water does not cross freely.
Water and starch can cross easily, but oxygen does not cross freely.
Oxygen, water and starch can all cross the membrane freely.
Oxygen and water can cross easily, but starch does not cross freely.
130 exam-style questions on OCR GCSE Biology 1.1 Cell structures, covering 1.1.1 Viewing cells with light microscopes, 1.1.2 Sub-cellular structures and functions, and 1.1.3 Electron microscopy and resolution. Each one has a worked solution and a mark scheme showing where the marks go.