1.1. Separate: Biology Only

The image below shows contains information about several types of specialised cell.

(i) Name the types of specialised cell represented by cells Q, R and S.

(3)

(ii) Draw lines between the images and the statements to match each cell with its function.

(1)

1.2. Separate: Biology Only

Another example of a specialised cell is a red blood cell. One special feature of red blood cells is the absence of a nucleus.

Explain one other special feature of a red blood cell.

1.3. Separate: Biology Only

(i) Name the process by which cells become specialised.

(1)

(ii) The process named in part (i) is controlled by the DNA.

Describe how the DNA controls the process named in part (i).

(1)