Biology 9700 · AS & A Level · Transport mechanisms
Transport mechanisms — practice question
One function of the cell surface membrane is to regulate the movement of substances into and out of the cell.
(a)[2]
Complete Table 1.1 to show the transport mechanisms across cell surface membranes and examples of materials transported.
(b)[4]
Every transport mechanism across cell surface membranes has a distinctive set of features. In each box below, state one example of a transport mechanism that fits the pathway shown.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Transport mechanism correctly identified (for example, facilitated diffusion or bulk transport)” …